Zoomable 395nm UV Light Penlight Black Light Scalable Clip Pen Light Flashlight Features: Detecting Head and Body Lice Eggs (Nits and Eggs reflect ultraviolet light). Hunting scorpions and other insects. Fluoresces Gems, Minerals and Fossils. Use with UV Automotive Dye to detect Automotive coolant A/C Freon Refrigerant Gas Fluids Leaks (As seen in picture in listing). Find pet stains , Dog or Cat Pee. Detecting bodily fluids, which fluoresce when exposed to UV light. Checking for counterfeit paper money bills. Detect Counterfeit Stamps and Tagging. Night time Fishermen- Glow in the Dark Bait (UV light charges Glow). Inspect Vaseline, EAPG, Depression, Uranium, Topaz & Canary Glass. Rodent detection-find mouse or rat droppings and urine. Body art & hand stamps fluoresce. Finding food and pet stains on carpeting and other surfaces. Specifications: Material: Aluminum Alloy Zoom Feauture: Focus in and out the light according to your needs Wavelength: 395nm LED Type: 3W SMD  LED Emitting Color: UV light Power: 3W Battery: 2*AAA battery (Not Included) IP grade: IP54 Weight:1.1oz Items Includes: One (1) Penlight(NOT include battery)