ITEM NAME:Smart Bike Tail Light Auto Bike Rear Light Usb Rechargeable Waterproof Led E3L9 Smart Bike Tail Light Auto Bike Rear Light Usb Rechargeable Waterproof Led E3L9 USB RECHARGEABLE & LONG BATTERY LIFE: This bike tail light built-in 700mAh lithium battery that lasts up to 15 days average use (or up to 8-14 hours of different modes flashing), around 3 months for standy. it can be charged using the included Micro- USB cable.Smart Brake Sensing & Light Sensing Rear BIke Light.Ultra-bright brake signal whenever bike slow down abruptly, day or night. AUTOMATICLLY START AND OFF: You or your loved ones will not forget to turn on bike tail light because you don't have to. Under the weak light circumstance, this tail light will detect and turn on automatically whenever bike is in motion (day or night), and conveniently switches off taillight when no motion is detected within 30 seconds. BRAKE SENSING LIGHT: Integration of high sensitivity acceleration sensor, automatically switch to brake light mode when decelerating, Ultra-bright (for 5 seconds) lights warning rear car. SOS ALERT: Automatically activate SOS alert when the bike leans over 45 degree or falls to the ground. The bike light will flash red led light to alert the rear vehicle. IP65 WATER RESISTANT and EASY INSTALLATION: IP65 soaking level waterproof, can be immersed directly in water, withstands all adverse weather
