Specifications: Wattage: 5W Material: Aluminum alloy Lamp bead: 1* 365nm UV lamp Lens color: black Mode: ON - Off Battery:not incorporated Charging method: Type-C USB charging Focus: can't be adjusted, is constant focus, belongs to the concentrating impact Application: cotton fiber, UV glue curing, degreasing detection, hydraulic leak detection, oil inspection (for the oil with fluorescent components can be), vintage porcelain trace search, jade amber identification, fluorescence anti-counterfeiting and different particular industries. Size: 13*2*2 Package A: 1*UV Flashlight 1*Type-C charging cable Package B: 1*UV Flashlight 1*Battery 1*Type-C charging cable