A07 bike tail light have high-end LED lights, it's bright enough to be seen from 150ft away in foggy/rainy day or even in dark night. Installed it on the handlebar, easy to switch the lighting modes of the bike rear light of the button. Total 3+1 lighting modes: (Steady with running mode 1, running mode 2, double flash + strobe). The light flash light to remind and pedestrians behind you when . Warning any possible incoming vehicle to further increasing visibility. I'll see you.Built-in a 800mAh rechargeable battery, keep running for 17-35 hours under the flashing light mode after fully . (If you use 2 hours one day, you can use 10 days) You can install the taillights/back light without any tools on almost anywhere (mountain/kids/road bicycle, stroller, wheelchair, motorcycle, scooter, e-bike), detaches it in 1 seconds and become a compact but powerful emergency flashlight. Keep it inside your car, basement, attic, and emergency kit. Material: pc colour: As shown Package Contents: 1 x tail light 1 x cushion bracket 1 x pole bracket 1 x charging cable 1 x english instruction manual 1 x cable tie Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.