Product Content:Product description: the newly researched high quality aluminum alloy solar energy torch of "Danfei" brand. Solar board: monocrystalline. Accumulator: nickel-chrome battery. Bulb: super-bright LED bulb. Cylinder: aluminum alloy. Plating: anodizing. Battery cover board of solar energy: PC. Diameter: 5.75CM. Length: 24CM. Lighting duration: 8 hours. Brightness: 17 lumen. Weight: 343 g (including battery). Temperature range: -40°C-+60°C. Visibility: 2km. Effective lighting distance: 50 meters. 10 white super-bright LED bulbs of glimmering fluorescence are provided. Lifespan of bulb is 100,000 hours. (Imitation of the patent product will be sought).