Smart Bike Taillight Bicycle Rear Light

DESCRIPTIONAuto-off after 30 seconds motionless, smart and energy-saving. Ultra-long working time;_IP65 waterproof rating to deal with rainy days; clear wide vision to have an effective warning to_pedestrian and cars. Easy and quick strap-on your seat post for cycling trip soon~
Feature:
Smart Lighting: Auto-off after 30 seconds motionless, and light sensation, brake lighting and vibration sensation.
Rechargeable: Built-in 700mAh battery, about 2 hours full charged and support 2A fast charge.Working Time: About 45+ hours on fast flash mode, 40 hours slow flash mode and 12 hours constant mode.Lighting Mode: Slow flash, fast flash, constant and off.Strap-on Light: Easy install on the seat post with a fastener tape and firmly secured in place during cycling.
Specification:_Material: PC + AlloyWorking time: 12-45H+_Battery: Rechargeable 700mAh_Waterproof rating: IP65Size: 77 * 28 * 26mm / 3.0 * 1.1 * 1.0inHost weight:_ 35g / 1.2lbPackage weight: 80g / 2.8oz_
Package List:1 * Taillight1 * USB Cable_1 * Fastener Tape1 * User Manual_