Waterproof grade: IPX5Charging : TYPE-CMode: 5 light modesBattery display, mobile power supply, aluminum alloy, anti-glare design, 180-degree wide-area lighting, bicycle handlebars can be installed within 3.5cm in diameter.Name:Bicycle headlightBattery:3.7V/4000mAh built-in rechargeable lithium batteryEndurance time:4hCharging time:5hColour:BlackMaterial:Aluminum AlloySize:152mm x 92mm x 55cmPackage Contents:1 * Bicycle headlight1 * Mounting fittings Kit1 * Data cable Type-COnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.