1. Aluminum Alloy Body 2. CREE XR-E LED 3. CR123,1XAA,2XAA Batteries 4. Portable Design 5. ... bicycle easil Art.NO:614,615,616 Introductions:Aerospace grade aluminum alloy. Slim shape,easy to carry,ultra-bright CREE LED ... cycle through different output and modes. Bulb type: CREE XR-E LED Detailed Pictures: