Bicycle headlight sensor light

WEST bike bicycle front light sensor Intelligent flashlight LED USB Charge waterproof bike headlight with horn bike light lampProduct Information:Name: intelligent front bicycle induction lightMaterial: PVCSize: 10 cm * 2.3 cm * 3.2 cmWeight: about 89g (only light), about 134g (total weight)Colors: black / black green4 Modes: strong bright / weak bright / slow flash / SOSPower supply: USB RechargeableLighting time:Strong light: 5 hLow light: 10 hFully loaded time: 5 hWaterproog: YesRange: 200 mCharacteristics:1. waterproof, 4 modes2. USB charging, easy to install3. Intelligent perception of sensor lightNote: When the blue light is on, in induction mode, and with the change of brightness around the light will change