1. Aluminum Alloy Body 2. CREE XR-E LED 3. CR123,1XAA,2XAA Batteries 4. Portable ... grade aluminum alloy. Slim shape,easy to carry,ultra-bright CREE LED Maintaining a fantastic balance of size, performance, runtime and ... switch to cycle through different output and modes. Bulb type: CREE XR-E LED Detailed Pictures: