This bike front light is super bright for providing a safe cycling for you * 100% Brand new and high quality 3 modes: All lighting, Half lighting, Strobe * Powered by USB cable , its' automatic power off system can protect the light * High quality internal lithium battery, only need about 2 hours to be fully charged while be used for about 12 hours in strobe mode * Water resistance, you can use it in rainy day * High brightness and energy saving LED Specifications Front Light *Material: PC+ABS *Output (Maximum): 300lm * Lighting Distance: 30-50meters at night 3 Working Modes: All lighting-Half lighting-Strobe *Power Source: 800mAh Li-Poly Battery * Charging Time: Approx.3hours * Fit Handlebar: 20-40mm (approx) * Dimension: Approx 65*29*23 mm * Light Source: XPE 3W LED Color: Black (as pictures show) * Light Color: White(as pictures show)