ROCKBROS BL-S1 Bike Tail Light Sensor Bicycle Brake Light Warning Cycling Signal Light - Black/Red

• Warning flashlight on the brake

• G-sensor inside, safe riding

• 3 modes: flash, burst flash, breathing light

• Waterproof, freely to ride on rainy days

• USB charging port, easy to connect on the computer, power bank etc.

Specification:

• Product: Bicycle Tail Light

• Type: Warning tail light

• Model: BL-S1

• Material: ABS+PC

• Waterproof: IPX6

• Battery capacity: 400 mA

• Voltage: 3.7V

• Power: USB charging

• Battery life: flash: 30 hours, burst flash: 28 hours, breathing flash: 13 hours

• Lamp body size: 4.9*4.5*3.8cm

• Application: road bikes, mountain bikes, folding bikes