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Product DescriptionSmart Bike Tail Light: High Lumen Brake Light Auto ON/Off Flashing Light Super Bright Rear Bike LightULTRA BRIGHT BRAKE LIGHT

The brightness of the bike brake light is 3 times higher than normal base on the high lumens COB LEDSuper bright braking light always reminds road users behind when you start and stop during your ridingAUTO ON/OFF FLASHING AND BREATHING LIGHT

Flash light and breathing light will auto turn on when the bike tail light sense any moving or vibrating ,otherwise it will auto turn offFlash and breathing light will work when the rear bike light detect the brightness is weak ,otherwise the taillights will go to sleepSMART LIGHT SENSING

In Low Brightness, Flashing and Breathing lights will auto turn on while detect any movement or vibration, ortherwise the bicycle tail light will go to sleep within 30 seconds. The flashing and breathing light will automatically turn off in high brightness.Note: Flash and Breathing mode only use in low brightness (night or late afternoon ), Please use daytimeStrobe Modeif you use the bike back light in daytime.3-LEVEL ADJUSTABLE BRIGHTNESS

The bike tail light has 3 levels of brightness and the brightness of the bike rear light can be adjusted according to your needsIt's convenient for you to tailer appropriate brightness to different cycling environments, which can improve battery efficiencyUSB-C RECHARGEABLE & LONG BATTERY LIFE

The rear bike light is powered by safer Polymer Lithium Battery and applied Energy-Saving technology, which make the bicycle tail light work up to 50 hoursThe bike back light designed Type-C charging port, provided USB-C Charging cable, which make the bike rear light easy to be fully charged in 2-3 hoursULTRA BRIGHT AUTO BIKE BRAKE LIGHT

Built in light and motion sensors, Flash and Breathing mode only work in motion state and low-light conditions, they will enter a sleep state in a stationary and high brightness environmentIn low brightness, the flashing and breathing lights will
High Lumen COB LED Bike Tail LightHigh Quality Llighting Source: COB led

150 meters warning distance180 degree visibilityMake you more visible for other road usersReflector Lamp Shade

Reflective covered headlight make the bicycle rear light no more blindingAvoid hurting eyes and better to protect eyesAdjustable Brightness Bike Rear Light3-Level Brightness & 4 Light Modes

Give the ride the ability to tailor the light intensity and blinking options to your needs and cycling situationUltra Bright Auto Bike Brake LightSuper Bright Braking Light

Built-in high lumen COB LED and moton brake sensor, the brightness is 3 times brightness than normalMore visible warning signalEnhance Your Riding Safety

Highly visible from a distancePromptly warn people your stop and startAttract attention to improve safety

Effectively make the taillight work normally from the rain, tire spray in the bad weatherUSB-C Rechargeable Bike Back LightUSB-C Rechargeable Bike Tail Light

With typc-c input port, make you easily take USB-C charging cable to fully charge it in 2-3 hoursEasily charged by charging cable via computers, chargers or power bankLong Life Safer Li-ion Polymer Battery

Powered by safe and energy-efficient battery, make battery life up to 50 hoursSADDLE BRACKET & SEAT POST INSTALLATIONProduct Specification：

Product Size:1.34*1.34*1.18 inchesProduct Material: Alumium alloy/ PCWeight: 1.94 Ounces (Include saddle bracket)Battery Type: Li-ion Polymer BatteryRechargeable Battery: 3.7V 300mAhRunning Time: 8-50hUSB Charging Cable: 11.8 inches 2APacking Included:
1X Bike tail light，1X USB charging cable，1X Saddle rail bracket，1X Seat post bracket， 2X Bandage，4X Locking tie，1X Manual