[AUTO Brake Light ] - The bike tail light will highlight to remind the cars and pedestrians behind you when braking. This light is essential Accessories for night riding. The built-in acceleration sensor and anti-collision filter system can effectively ensure your night riding safety.
[Wide View & Super Bright] - The bike tail light with 180° field of view and 150M visibility has 16 LED lamp beads, and 6 modes can be freely switched according to your preferences. The optical lens can keep the light bright and not dazzling, and it can be clearly visible regardless of rain or fog.
[USB Rechargeable & Waterproof] - Built-in a 350mAh rechargeable battery, keep running for 10-35 hours under different light mode after fully charged. The portable USB charging interface can be charged in any other device with a USB port.
[ Easy to Install and remove ] - Easy to remove, Hold down the buckle and the strap at the same time, and then charge the taillight through the USB port. When installing, face the USB port and hold the long end of the strap, and pull it from left to right. The T-shaped fixing buckle and the silicone installation strap can be quickly fixed under the seat or on the bicycle pole.
[ Manual & Auto Two Modes ] - 1. Long press the button to turn on Manual-mode, one click to change the 6 kinds lights. 2. After the Manual-mode on, 2 short/quick presses of the center button turns onto Auto-mode and the center button lights up with a green square. In any of the 6 light modes, the brake light function works. The light will be auto-off after 45-100 seconds at rest and motion activates the light.