are made of aluminum alloy material, not only durable, but also good for avoid overheat. Equipped with rechargeable battery, no extra power connect or battery required. High light LED provide 350 lumens light that enough to or disorient a potential attacker, that make for emergency use perfectly. At the same time, its brightness allows you to see things even where there is reflection. And the mini size design make the flashlight is convenient to carry. Feature - Color: Silver+White. - Material: Aluminium Alloy. - Size: 9 x 2.2 x 2.2cm. - Endurance: 1 hour for strong light and 2 hours for low light. - Voltage: 3.7V-4.2V. - Lamp beads : 1 x XPE. - distance: 0-200m. - Waterproof: IPX45. - Power : 5W. - Brightness: 350 lumens (theory). - Main body are made of Aluminum alloy material, durable, light weight and rustproof, which heat dissipation more effective. - Durable design for outdoor use. IPX45 waterproof ensure it can be use in outdoor activity like sailing, drifting and other kind of professional outdoor activity. - Interface and aircraft aluminum body and waterproofing design, not only for tool but also for any out-of-the-home activities like fishing, hunting, hiking, camping, and so on. - Portable mini size, simple shape design, easy carring. Convient for daily and outdoor use perfectly. - USB powered, easy to use and easy to charge. - Warm Tip: Dear buyer, Due to lighting effect, monitor’s brightness, manual measurement and etc, there could be some slight differences in the color and size between the photo and the actual item. Sincerely hope that you can understand! Thank you! Package list: 1 x Flashlight 1 x Storage Box 1 x USB Cable