Smart LED Bicycle Tail Light USB Rechargeable Auto Start/Stop Waterproof Bike Brake Sensing Safety Warning Light

Cycling is your hobby? Check this item for you to customize your bicycle. Do you wanahavit? 6 Modes Smart Bicycle Rear Light Material: Aluminium alloy+ABS+PCLumen:120 LumenBattery : 350mAh Run-Time: Max 54 HoursCharge Time: 2 HoursLamp Bead: COB LEDWaterproof rating: IPX6Lighting mode: Steady light/ Breathe flash/ Slow flash/ Quick flash/ Rhythm flash/ ECO flashWide angle: 220°Irradiation length: 500m irradiation length Features: 1. When it senses the brakes. It will enter highlight mode for 3 seconds.2. In smart mode. It will automatically turn off the light when you stand still for more than 1 minute. Automatically turns off lights in well-lit environments3. Precise brake induction. Prevents triggering of brakes due to bumps