Top 10 Best Bicycle Brake Light
of November 2024
1
Best Choice
BLITZU
BLITZU
2024 BLITZU USB-C Rechargeable Bike Tail Light 2 Pack, Cyborg 120T Bright Red LED Bicycle Rear Light, Waterproof Helmet Lights, Cycling Flashlight Safety Reflectors Accessories, Fits Adult, Kids MTB
10
Exceptional
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2
Best Value
BLITZU
BLITZU
BLITZU 2023 Cyborg 200T Bike Lights Taillight USB-C Rechargeable LED Rear Bicycle Light for Night Riding, Cycling Safety Reflector Accessories, Powerful Back Light for Men, Women, Kids.
9.9
Exceptional
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3
G Keni
G Keni
G Keni Smart Bike Tail Light, Brake Sensing Rear Lights, Auto On/Off, Waterproof, USB Rechargeable, Ultra Bright LED Warning Back Bicycle Flashlight, Cycling Safety Accessories (Circle)
9.8
Exceptional
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4
Onvian
Onvian
Onvian Smart Bike Tail Light with Turn Signals, Bike Horn Bike Alarm with Remote, Rechargeable Rear Bike Light, Waterproof Auto ON/Off Bicycle Lights Bike Turn Signals Brake Light
9.7
Exceptional
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5
MEILAN
MEILAN
MEILAN X5 Smart Bike Tail Light with Turn Signals and Automatic Brake Light Wireless Remote Control Bike Rear Light Back USB Rechargeable Safety Warning Cycling Light Fits on Any Road Bicycle
9.6
Exceptional
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6
ROCKBROS
ROCKBROS
ROCKBROS Bike Tail Light Smart, Brake Sensing Bicycle Rear Lights for Night Ride, USB Rechargeable, Ultra Bright LED Back Lights, IPX6 Waterproof, Cycling Safety Taillight Accessories
9.5
Excellent
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7
wsdcam
wsdcam
WSDCAM Smart Bike Tail Light with Turn Signals and Brake Light, Bike Alarm Horn with Remote, Auto ON/Off Rechargeable Waterproof Bike Horn Alarm Rear Bike Brake Light Turn Signals Bicycle Tail Light
9.4
Excellent
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8
BSSOK
BSSOK
BSSOK Smart Bike Tail Light, Ultra Bright Bicycle Brake Light, Super Sensitive Auto On/Off Bicycle Rear Ligths, USB Rechargeable IPX6 Waterproof Daytime/Night Riding Red Safety Warning Back Tailligt.
9.3
Excellent
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9
BikeSpark
BikeSpark
BikeSpark Auto-Sensing Rear Light G4R[2022] USB Rechargeable 240HRs - Precise Brake Sensing-for Cargo Rack- 50lumen - Large Reflector-50/80mm Screw Mounted/Easy Release -Made in Taiwan
9.2
Excellent
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10
BikeSpark
BikeSpark
BikeSpark Auto-Sensing Rear Light G4 - AAA Battery for Cargo Carrier - 50lm Superbright Bike Taillight with Large Reflector IPX4 - 50/80mm Quick Mount - Made in Taiwan
9.1
Excellent
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11
MEILAN
MEILAN
MEILAN Smart Bike Tail Light with Turn Signals and Automatic Brake Light Wireless Remote Control Bicycle Taillight Waterproof USB Rechargeable Bike Rear Cycling Light with Ground Line Fits on Any Bike
9.0
Excellent
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12
wsdcam
wsdcam
WSDCAM Smart Bike Tail Light Alarm Bike Brake Light Auto ON/Off USB C Rechargeable Antitheft Bike Alarm with Remote Waterproof Bicycle Alarm Rear Bike Light Bicycle Tail Light
8.9
Very Good
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About Bicycle Brake Light
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2024 BLITZU USB-C Rechargeable Bike Tail Light 2 Pack, Cyborg 120T Bright Red LED Bicycle Rear Light, Waterproof Helmet Lights, Cycling Flashlight Safety Reflectors Accessories, Fits Adult, Kids MTB
USB TYPE-C CHARGING CONNECTOR These Taillights Are Equipped With the Latest USB-C Charging Technology. It Charges Devices Up to 10 Times Faster Than Basic USB. It's Easy to Use and There's No Up or Down Orientation So It Works Whichever Way You Plug It in. Runtime of Up to 10 Hours on Strobe Mode. 4.5 Hours on the Highest Setting.. SUPER BRIGHT DAY OR NIGHT This 120 Lumen Rear Light Uses the Latest Led Technology to Illuminate Your Path and Keep You Visible Day and Night. Blitzu Drls Are Visible From Up to 0.7 Miles Away Even During Daylight Hours, So Drivers Have More Time to See and React. The 120 Lumen Red Taillight Has a 220 Wide-angle Beam That Can Be Seen From Blocks Away.. EASY TO INSTALL AND DURABLE Only Takes Seconds to Mount Without the Need for Tools, Screws, and Accessories. Aside From Standard Bicycles, Lights Can Also Be Used on Scooters, Strollers, and Wheelchairs. The Heavy Duty Flexible Mount Fits Any Seatpost, Seatstay, Helmet, Saddle Bag, Backpack, Skateboard, Scooter, Stroller, Wheelchair or Dog Collar. The Light's Hinge Can Be Adjusted Up and Down So That It Can Be Focused Where It is Needed. It Can Also Be Mounted Vertically or Horizontally.. USA STANDARD Developed by a Team of American Designers and Engineers in Order to Give You Stylish High Quality and High Output Lights. This Pro Grade Bike Tail Light is Ipx5 Waterproof and Drop Impact Resistant. Ride Through Heavy Rain Storms, Dust Storms, Endure Accidental Drops, and Much More for Years of Use.. EXTRAORDINARY BRIGHTNESS WITH LONG BATTERY LIFE This Tail Light Emits a Powerful 120 Lumen, 220 Wide Angle Red Beam With a Runtime of Up to 10 Hours, Making It a Top-of-the-line Light. These Lights Are Ideal for Use as Navigational Lights, Signal Lights, or Safety Lights. They Can Be Attached to Bicycles, Pet Collars, Running Gear, Jogging Gear, and Walking Gear. These Safety Lights Will Keep You Safe and Secure When You're Walking Your Dog, Cycling, Skateboarding, Camping, or Hiking.. DAYTIME NOTICEABLE TECHNOLOGY The BLITZU Daytime Running Lights Are Designed to Help You Stand Out When It Matters Most. According to Studies, 8 Out of 10 Cycling Accidents Occur During Daylight Hours. Our Daytime Noticeable Technology Helps Increase Your Visibility During the Day. BLITZU DRLs Can Be Seen Up to 0.7 Miles Away, Even During Daylight Hours, Giving Drivers More Time to React and Avoid Collisions..
BLITZU 2023 Cyborg 200T Bike Lights Taillight USB-C Rechargeable LED Rear Bicycle Light for Night Riding, Cycling Safety Reflector Accessories, Powerful Back Light for Men, Women, Kids.
Usb Type-c Charging Connector This Taillight is Equipped With the Latest USB-C Charging Technology. It Charges Up to 10 Times Faster Than Basic USB. It's Easy to Use and There's No Up or Down Orientation So It Works Whichever Way You Plug It in. Runtime of Up to 8 Hours on Low Flashing Mode.. Super Bright Day or Night This 200 Lumen Rear Light Uses the Latest Led Technology to Illuminate Your Path and Keep You Visible Day and Night. BLIZTU DRLs Are Visible From Up to 0.7 Miles Away Even During Daylight Hours, So Drivers Have More Time to See and React. The 200 Lumen Red Taillight Has a 300 Wide-angle Beam That Can Be Seen From Blocks Away.. Easy to Install and Durable Only Takes Seconds to Mount Without the Need for Tools, Screws, and Accessories. Aside From Standard Bicycles, Lights Can Also Be Used on Kayak, Scooters, Strollers, and Wheelchairs. The Heavy Duty Flexible Mount Fits Any Seatpost, Seatstay, Helmet, Saddle Bag, Backpack, Skateboard, Scooter, Stroller, Wheelchair or Dog Collar. The Light's Hinge Can Be Adjusted Up and Down So That It Can Be Focused Where It is Needed. It Can Also Be Mounted Vertically or Horizontally.. USA Standard Developed by a Team of American Designers and Engineers in Order to Give You Stylish High Quality and High Output Lights. This Pro Grade Bike Tail Light is Ipx5 Waterproof and Drop Impact Resistant. Ride Through Heavy Rain Storms, Dust Storms, Endure Accidental Drops, and Much More for Years of Use.. Extraordinary Brightness With Long Battery Life These Lights Are Ideal for Use as Navigational Lights, Signal Lights, or Safety Lights. They Can Be Attached to Bicycles, Pet Collars, Running Gear, Jogging Gear, and Walking Gear. These Safety Lights Will Keep You Safe and Secure When You're Walking Your Dog, Cycling, Skateboarding, Camping, or Hiking. Runtime of Up to 8 Hours on Low Flashing Mode.. Daytime Noticeable Technology The BLITZU Daytime Running Lights Are Designed to Help You Stand Out When It Matters Most. 8 Out of 10 Cycling Accidents Occur During Daylight Hours. Our Daytime Noticeable Technology Helps Increase Your Visibility During the Day. Ideal for running, walking, and cycling near traffic. It's perfect for strolling with your dog at night. You'll need this safety equipment when engaging in low-light activities. An excellent addition to your outdoor or reflective gear..
G Keni Smart Bike Tail Light, Brake Sensing Rear Lights, Auto On/Off, Waterproof, USB Rechargeable, Ultra Bright LED Warning Back Bicycle Flashlight, Cycling Safety Accessories (Circle)
SMART BRAKE SENSING EASY to INSTALL - Automatically switch to high light mode when braking, ultra-bright for 5 secs lights warning back rider to enhance your safety. You can mount it under the saddle with metal mounting bracket or mount to the seat post with adjustable silicone strap.. FOUR LIGHT MODES HIGH LUMEN LED - There are 4 light modes for your choice, 1Normal Flash Mode, 2Breathing Flash Mode, 3Fast Flash Mode, 4Steady On Mode, enjoy your cycling as you wish, High lumen COB Led bike taillight makes you more visible, it's a perfect bike light for night riding.. AUTO ONOFF for BATTERY SAVING - This Smart bike tail light including Motion Sensor and Light Sensor, it will be auto off when detect in no motion after 30 secs. Once touch it or detect the bike is moving, the light will auto on again. Also when you ride under the sunlight, the tailight will be auto off due to the light sensor is working, IF YOU LIKE TO RIDE IN THE DAYTIME AND NEED THE TAILLIGHT KEEP WORKING ALL THE TIME, please choose the mode 3 and mode 4 to avoid Light Sensor working.. BRIGHTNESS ADJUSTABLE POWER INDICATOR - The brightness of this bike rear light is adjustable, in the steady on mode, just long press the button to adjust the brightness that you need, it Built-in 400mAh Li-ion battery, it can lasting 50 hours will be influenced by the brightness that you setting runing time when fully charged. four blue indicator lights, each shows 25 capacity, No longer worry about forget to charge.. ALUMINUM ALLOY SHELL IPX6 WATERPROOF - Made of aluminum alloy shell, this bike rear light has a nice touch and awesome appearance. It's waterproofdustproof and shockproof, suitable for any harsh working environment. we guarantee a 12-month warranty, 30-day money back and 247 customer service to make it no risk for you to purchase this taillight..
Onvian Smart Bike Tail Light with Turn Signals, Bike Horn Bike Alarm with Remote, Rechargeable Rear Bike Light, Waterproof Auto ON/Off Bicycle Lights Bike Turn Signals Brake Light
5 In 1 Bike Tail Lights with Turn Signals Multi-function anti-theft bike alarm tail lights. Feature with Turn Signal Warning Light Brake Light Electric Bell Anti-theft Alarm. Reminding the surrounding pedestrians and vehicles in all directions to protect the safety of the car and the rider - The practical bike accessory. Ultra-Bright Bicycle Lights Arrange 31 COB LEDs to bring the brightness of the bicycle taillight to reach 160 lumens, 200-degree wide-angle design makes you more visible during the night ride. With 6 lighting modes, you can choose whatever you want - Slow Flashing Breathing Fast Blinking Steady Light Emergency Light OFF.. RightLeft Turning Signals Light Simply turn on rightleft turn signals through the wireless remote control and get drivers' attention from several blocks away, securing your safety when riding in traffic. Equipped with 3 electric bells can also be used as a good vehicle horn - Electic Car Sound Horn Sound Birdcall Sound.. 110 DB IP54 Waterproof Bike Alarm Anti-theft bicycle alarm can make a loud sound to draw people's attention. 110dB Loud can effectively scare thieves away, IP54 Waterproof bike rear light and remote control ensure that it can be used in all kinds of bad weather.. USB C Rechargeable Wireless Remote Built-in a 2000mAh rechargeable battery, at 7h full charge the taillight alarm can work up to 70 hours. The remote controller clamps easily to a 0.78-0.94 inch handlebar and is equipped with a CR2032 replaceable coin cell battery. Strong wireless range up to 60m.Doesn't support fast charging,please charge with the original USB cable and your 3A charger adapter.. Smart Brake Sensing Taillight Designed with the smart brake sensor, After turning on the taillights, the bike light will automatically light up after braking for 2s to alert other drivers behind you Increase greater visibility to ensure riding safety. Except for Emergency Light Mode. Intelligent Auto OnOff Slowing Flashing and Breathing modes are intelligent auto modes, the alarm taillight will light up for the 30s and then detect the brightness of the riding environment, automatically turn off when it is bright and turn on when it is dark. In a dark environment, if you stop for more than the 30s, it will turn off to save power, lights up after it is triggered by vibration.. About taillight charging Please use the original USB cable in the package to charge the taillight. Since the taillight does not support fast charging, if customer uses your own electronic device charging cable, please use a non-fast charging cable to charge the taillight..
MEILAN X5 Smart Bike Tail Light with Turn Signals and Automatic Brake Light Wireless Remote Control Bike Rear Light Back USB Rechargeable Safety Warning Cycling Light Fits on Any Road Bicycle
ROCKBROS Bike Tail Light Smart, Brake Sensing Bicycle Rear Lights for Night Ride, USB Rechargeable, Ultra Bright LED Back Lights, IPX6 Waterproof, Cycling Safety Taillight Accessories
SMART BRAKE SENSING EASY to INSTALL - The bike tail light has smart sensor chip, it acts like a brake light when you slow down, ultra-bright for 5 secs lights warning back rider to enhance your safety. Comes with 2 mounts metal rigid mount for under seat or rubber band type mount for seat post and quick release. It will suit for most of bike like road mountain bike beach cruiser or scooter.. FOUR LIGHT MODES HIGH LUMEN LED - This rear bike light has 4 light modes for your choice, which can be toggled easily through with the center button. 1Normal Flash Mode, 2Breathing Flash Mode, 3Fast Flash Mode, 4Steady On Mode, the modes are well balanced to a ride's needs. High lumen COB Led bike taillight makes you more visible, The bike light is bright enough to be seen day and night.. AUTO ONOFF for SAVING BATTERY - This Smart bike rear light including Motion Sensor and Light Sensor, auto off when detect in no motion after 30 secs . Once shake it or detect the bike is moving, the bike back light will auto on again.auto turn on or off in mode 1 or 2 NOTE IF YOU LIKE TO RIDE IN THE DAYTIME AND NEED THE TAILLIGHT KEEP WORKING ALL THE TIME, please choose the mode 3 and mode 4 to avoid Light Sensor working. Brake sensing is always ON in all of the modes... LONG BATTERY LIFE POWER INDICATOR - The bicycle light USB rechargeable built-in 400mAh Li-ion batterty, can lasting 50 hours when fully charged. Four blue breathe indicator lights, shows the remaining charge, each shows 25 capacity batterty , remind you to charge in time.. ALUMINUM ALLOY SHELL IPX6 WATERPROOF - This bicycle brake light shell is made of high grade aluminum, has a nice small profile and awesome metallic appearance. It is IP65 Waterproof to withstand all types of weather conditions. ROCKBROS GUARANTEE we guarantee a 12-month warranty, 30-day money back and 247 customer service to make it no risk for you to purchase this taillight..
WSDCAM Smart Bike Tail Light with Turn Signals and Brake Light, Bike Alarm Horn with Remote, Auto ON/Off Rechargeable Waterproof Bike Horn Alarm Rear Bike Brake Light Turn Signals Bicycle Tail Light
SMART BIKE TAIL LIGHT WITH 5-IN-1 FEATURES - With electric bike horn, anti theft vibration alarm, rear bike light, bike turn signals, auto bicycle brake light build in G sensor 5 functions. It ensures your safety when riding, especially for night riding. Then arm it by alarm function and take remote off after riding to prevent theft and provide additional security for your bike. 5 functions allow you to save more space on your bike and save money. An affordable practical bike accessories. ULTRA-BRIGHT BICYCLE REAR LIGHT WITH 6 MODES - Super bright and extra-wide bike taillights with 31 high-end LED lights, up to 160 lumens of powerful flashes alert motorists at night and during the day, that enhance your visibility and safety. Slow FlashingBreathingFast BlinkingSteady LightEmergency LightOFF, 6 light modes easily selected by remote. BIKE TURN SIGNALS - Easily press the RL button of remote which clamps to handlebar before you turning, and right left turn signal lights flash with click sound. Other drivers and pedestrians will not just see you but hear you from afar and know exactly which direction youll ride. SMART BIKE BRAKE LIGHT - Once you brake the rear light will auto highlight for 2s to alert other drivers behind you, effectively avoid rear-end collisions and traffic accidents. NOTE only on Slow FlashingBreathingFast BlinkingSteady Light mode. VIBRATION ALARM - Antitheft bicycle alarm triggered by vibration, can help to deter thieves effectively, provide additional security and give you peace of mind when your vehicles park outdoors. 7 level adjustable sensitivity from gently touch to push or beat, you can easily adjust the sensitivity as your need. BIKE HORN - With electric bicycle horn function, makes 110 decibel loud bike horn sound when press remote to let carspedestriansdrivers know you're coming. 3 horn sounds for your choice, electric car horn soundhorn sound birdcall sound. SMART AUTO ONOFF - No worry the bike tail light auto lights up when you sleep at night. Build in light sensor and motion sensor. On Slow Flashing Breathing modes, tail light automatically turns off after 30 seconds of inactivity in dark environments, and turns on when motion is detected. In bright environments it automatically turns off to save power, if you need the tail light in day time, you can select Fast BlinkingSteady Light these 2 mode have not smart function. WIRELESS REMOTE USB RECHARGEABLE - Come with wireless remote which clamps easily to 0.78-0.94 inch handlebar. The remote with button lock function to avoid accidental triggering. Strong wireless range about 98ft-196ft. Bike tail light rechargeable comes with USB-C charging cable, build in rechargeable 3.7V 2000mAH lithium battery, at 7h full charge the taillight alarm can work up to 70 hours on fast blinking mode. IP54 WATERPROOF for tail light and remote Charging level indicator Low battery indicator Easy to install and take off for charging Long battery life Everything come with package.
BSSOK Smart Bike Tail Light, Ultra Bright Bicycle Brake Light, Super Sensitive Auto On/Off Bicycle Rear Ligths, USB Rechargeable IPX6 Waterproof Daytime/Night Riding Red Safety Warning Back Tailligt.
SMART BRAKE SENSINGAutomatically switch to high light mode when braking, ultra-bright for 2 secs lights warning back rider to enhance your safety.The brake light function is available for all light modes.. 6 LIGHT MODES HIGH LUMEN LEDThere are 6 light modes for your choice,1Steady On Mode2Quick Flash Mode3Slow Flash Mode4Rhythm Flash Mode5Breathing Flash Mode6Eco Flash Mode, enjoy your cycling as you wish. High lumen LED bulbs and fresnel lens lampshzade make your bike's taillight even more eye-catching.. ENERGY SAVING DESIGN AUTO ONOFFThis smart bike tail light including Motion Sensor and Light Sensor, it will be auto switch off when detect in no motion after 45 secs. Once touch it or detect the bike moving, the light will auto turn on. Also when you ride under the sunlight, the tailight will be auto switch off due to the light sensor.If you like to ride during the day and need the tail light to work all the time, please switch to manual mode.. Easy Mount and RemovableProvide saddle mounting bracket and adjustable silicone strap to mount on the saddle rail or the seatpost , No extra tools needed, unscrews from the mount cap easily for recharging.. Aluminum Alloy Casing and IPX6 WaterproofThis smart bike taillight is made of aluminum alloy housing, which feels great in your hand and looks great. It has excellent waterproofdustproof and shockproof function, suitable for any harsh working environment.BSSOK, an American brand,BSSOK focuses on quality service, so if you need help, feel free to ask us your questions..
BikeSpark Auto-Sensing Rear Light G4R[2022] USB Rechargeable 240HRs - Precise Brake Sensing-for Cargo Rack- 50lumen - Large Reflector-50/80mm Screw Mounted/Easy Release -Made in Taiwan
Upgrade Your Reflector to BKS-G4R Now - BikeSparks Auto-Sensing Rear Lights detect bike deceleration with an innovative deceleration sensing algorithm, Vsenx US Patent No. 10427594 B2. Once deceleration is detected, BikeSpark increases the brightness to ultrabright for 2.5 seconds, alerting and improving the reaction time of the person in any vehicle traveling behind.. Automatic ONOFF - Press the Control Button to turn on the light and you are good to go. Never have to remember to turn off your rear light again BikeSpark turns off automatically after 1 minute of inactivity, and turns on when motion is detected. The perfect balance of convenience, battery life and riding safety.. Great Brightness meeting Regulatory Compliance - Super bright LEDs provide excellent long distance and 220 degree visibility, up to 50 lm with low power consumption. Besides, two constantly-on lighting modes meet ISO 6742 135, and Germany StVZO Regulations help you riding safely in the darkest nights.. Highly Reflective Reflector Meeting Regulatory Compliance BikeSpark BKS-G4R equips with the world-class vehicle reflector. The highly reflective reflector not only meets German and EU compliance but also provides up to 30 more than required reflective brightness.. Made in Taiwan Quick Mounting Snap to Release 4 Lighting Modes Li-polymer Rechargeable IPX6 Water Resistance Low Battery Indicator Upgrade Your Reflector to BKS-G4R Now.
BikeSpark Auto-Sensing Rear Light G4 - AAA Battery for Cargo Carrier - 50lm Superbright Bike Taillight with Large Reflector IPX4 - 50/80mm Quick Mount - Made in Taiwan
Upgrade Your Reflector to BKS-G4 Now - BikeSparks Auto-Sensing Rear Lights detect bike deceleration with an innovative deceleration sensing algorithm, strongVsenx US Patent No. 10427594 B2strong. Once deceleration is detected, BikeSpark increases the brightness to ultra bright for 2.5 seconds, alerting and improving the reaction time of the person in any vehicle traveling behind.. Automatic ONOFF - Press and Hold the Control Button until the Light is On and you are good to go. Never have to remember to turn off your rear light again BikeSpark turns off automatically after 1 minute of inactivity, and turns on when motion is detected. The perfect balance of convenience, battery life and riding safety.. Great Brightness meeting Regulatory Compliance - Super bright SMD LEDs provide excellent visibility, up to 50 lm with low power consumption. Besides, two constantly-on lighting modes meet ISO 6742 135, and Germany StVZO Regulations help you riding safely in the darkest nights.. Highly Reflective Reflector Meeting Regulatory Compliance BikeSpark BKS-G4 equips with the world-class vehicle reflector. The highly reflective reflector not only meets German and EU compliance but also provides up to 30 more than required reflective brightness.. Made in Taiwan Quick Mounting 3 Lighting Modes Daytime Brake Warning IPX4 Water Resistance Low Battery Indicator Upgrade Your Reflector to BKS-G4 Now.
MEILAN Smart Bike Tail Light with Turn Signals and Automatic Brake Light Wireless Remote Control Bicycle Taillight Waterproof USB Rechargeable Bike Rear Cycling Light with Ground Line Fits on Any Bike
WSDCAM Smart Bike Tail Light Alarm Bike Brake Light Auto ON/Off USB C Rechargeable Antitheft Bike Alarm with Remote Waterproof Bicycle Alarm Rear Bike Light Bicycle Tail Light
SMART BIKE TAIL LIGHT WITH ALARM - Not only a bike taillight but also a hidden anti theft bike alarm. This WSDCAM bike tail light build in motion sensor and vibration alarm, can help to deter thieves effectively by 110dB loud alarm, provide additional security and give you peace of mind when your vehicles park outdoors. 7 levels adjustable vibration sensitivity from gently touch to push or beat, you can easily adjust the sensitivity as your need. SMART BIKE BRAKE LIGHT - Auto bicycle brake light build in G sensor. Once you braked the rear light will auto highlight for 2s to alert other drivers behind you, effectively avoid rear-end collisions and traffic accidents. ULTRA-BRIGHT BICYCLE REAR LIGHT WITH 4 MODES - 160 lumens super bright and 270 degree extra-wide bike taillights powerful flashes alert motorists at night and during the day, that enhance your visibility and safety. Slow FlashingBreathingFast BlinkingSteady LightOFF, 4 light modes easily selected by wireless remote. SMART AUTO ONOFF - No worry the bike rear light auto lights up when you sleep at night. Build in light sensor and motion sensor. On Slow Flashing Breathing modes, tail light automatically turns off after 30 seconds of inactivity in dark environments, and turns on when motion is detected. In bright environments it automatically turns off to save power, if you need the tail light in day time, you can select Fast BlinkingSteady Light these 2 modes have NOT smart onoff function. USB C RECHARGEABLE - The bicycle back light alarm is powered by a built-in rechargeable 4.2V 700mAh lithium battery and uses 4th version power-saving technology, about 3h full charge can work up to 65h in steady light mode, standby time about 48 months depend on the work frequency. Note Using the package included USB C charging cable and your DC5V power adapter to charge it. 3 INSTALLATION METHODS - Come with mounting bracket, cable ties and double-sided tape for 3 installation methods. Bracket installation suitable for tube installation position. Zip ties and double-sided tape installation suitable for irregular mounting objects. Easy to install. An affordable practical bike accessory. SEARCH FUNCTION WATERPROOF - Vehicle search function, easy remote to find your vehicles in parking lot, 3 kinds of bells for your choice. This function also can be bike horn function. IP64 waterproof, dont worry about rainy day.