ROCKBROS Q3 Sensing Auto On/Off Bicycle Light Bike Taillight Waterproof USB LED Bike Cycling Light for Night Riding - Black

• Light sensor: When natural light is sufficient, the light automatically goes out; when it is dark, it lights up again.

• Vibration: Leave the lights for 30 seconds, the lights will automatically go out; when they vibrate, the lights will turn on again.

Specification:

• Product: Bicycle Tail Light

• Model: Q3

• Material: aluminum alloy + plastic

• Waterproof: IPX6

• Charging type: USB interface

• Light mode: 4 modes (bright/breathing light/flash/fast flash)

• Battery capacity: 300 mA

• Rated voltage: 3.7V

• Minimum battery life: 12 hours

• Maximum battery life: 30 hours