3-Led Ultraviolet Black Light UV Powerful Flashlight Professional 365NM UV Light Lamp for Resin Curing, Minerals, Jade,Leak Detection UV Flashlight Torch Specifications: Material: Aluminum alloy Lamp bead: High calories 365NM UV lamp Model of LED Beads: 5050 Size: Total length 29* 5*3cm Power supply: 3*18650 lithium battery Switch: tail-press range Lens colour: black Mode: 1 modes: ON - Off Maximum range: 100-200M Focus: can't be adjusted, is constant focus, belongs to the concentrating effectApplication:Cotton fiber, UV glue curing, degreasing detection, hydraulic leak detection, oil inspection (for the oil with fluorescent ingredients can be), vintage porcelain hint search, jade amber identification, fluorescence anti-counterfeiting and other particular industries Include:1*UV Flashlight 3*18650 battery 1*USB Battery Charger