G Keni Smart Bike Tail Light Wireless Auto On/Off Rear Bike Light USB Rechargeable LED Bicycle Brake Sensing Taillight Waterproof

G Keni Smart Bike Tail Light Wireless Auto On/Off Rear Bike Light USB Rechargeable LED Bicycle Brake Sensing Taillight Waterproof

• ✅【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.
• ✅【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 ° 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 conditions. Adjustable fastener strap makes it possible to install easily on seatposts, helmet and bags. This bike rear light is very convenient and easy to install.