1.Shell:Anodized Aluminum 2.LED:0.5W High-power LED, 3.Switch:Rotary switch; 4.Appearance to deal with:Anodic oxidation; 5.Red glow charging indicator 6.120 minutes of lightpercharge 7.Battery:Ni-MH rechargeable batteries; capacity 80mA. 8.work voltage: 12V 9.The use of nickel-metal hydride rechargeable batteries, more environmentally friendly 10.The use of anti-skid design