Specification:High Pressure Xenon Tactical Flashlight TorchBattery Type: 2 X 18650 BatteriesDimension: D:56mm H:220mmMax Output: 500 LumensDescription:1. The product uses 1pcs High Pressure Xenon Lamp with better penetrability. 2. As is made up of aluminum alloy material, the casing of the flashlight is very firm and durable. After anodized procedure, it avoids sleeking and rubbing to make it more comfortable in your hand. 3. Toughened glass lens and accidented aluminum alloy lamp cup design make the light more focused.4. With 2PCS 18650 rechargeable batteries, it can last for 1 hour continuously. 5. Tailcap Clickie On/Off switch.6. With waterproof, heat-resistant, wearable and straightforward design, it deals with a nasty wild environment easily.