Wide field of view: 180-degree field of view width, visibility up to 150M, utilization of high-brightness comb lens, offers super brightness for you But not dazzling, all clearly visible for night no matter rain or fog.

Auto start and stop: with a intelligent sensor, The bike tail light will turn on automatically riding in low brightness and turn off in high brightness. Also will turn on when braking, automatically switch to brake light mode when decelerating.

IPX6 waterproof: IPX6 waterproof and dustproof, water spray from any direction will not enter the light even in big raining.

USB rechargeable: 20 hours Run time. Comes with a USB cord that charges form your computer, wall charger, power bank or any other device with a USB port.