Rechargeable LED Flashlight 1.High power super bright LED 2.Low operation voltage 3.Low power dissipation 4.Waterproof and snockproof Size:head31 mm,tail29mm,length157mm N/W:150g Battery:1*18650li-ionbattery Voltage:3.7V Bulb type:cree Q3,convex lens scalable cap Burn time:6-8h Brightness:180LM Working distance:150-180m Lamp life:100,000h Switch:the newest button design,easy function transformation Functions(three gears cycles: 100%>30%>storbe>off Can provide customized colors according to clients' requirements)