Fivestar GD-C9 Multi-Function Emergency Portable LightRemovable Battery PackOperation InstructionLight press (downward pressure) for the power display (25%-50%-75%-100%) two press strong light, three press weak light.This product adopts the power protection design, 5v with output can be charged for the machineThis machine is not waterproof, prohibit the use of the machine in a water environmentProhibit man-made falls and throws, so as not to cause damageDo not overnight charging is strictly prohibited and other machines mixed use!Product ParametersModel: GD-C9Bland Name: GDPLUSN.W/G.W: 16kgQTY: 20PCS/CTNMaterial: ABSFunction: 3-switch bulb, 5 in 1 data cable, charging adapterBead: 72Power: 30WBattery: 3.7v 18650  6000Ah