HQRP Blacklight Flashlight with variable focus is designed for a quick check of money, documents, authenticity of artworks, as well as for hunting scorpions in your garden and lawn, search for minerals or detection of uranium glass ! HQRP Flashlight is a good choice for Check UV Activated Inks, Examining Artwork and Glass for Hidden Repairs, Detect Uranium Glass / Depression Glass / Vaseline Glass, Auto Radiator and Transmission Leaks Checking, Repair HVAC Air Conditioning Systems.With a narrow beam of light you can check the cooling system for any leaks, check glass products for defects, cracks, damage, inspect gems for defects or cracks inside or outside of the stone.The wide beam of light will help you find the traces of urine from your pets, hunt down rodents or check a hotel room.The application is perfect for leak, rodent, painting, hotel room, china, pottery repair detection, art forgery detection, security control, document and forgery analysis, currency and bill verification, gemstone and mineral inspection, scorpion illumination, and much more.Can be used to inspect hotel sheets before use to see if the beds have been changed as some bodily fluids will fluoresce under Blacklight.The urine of many animals, including cats and rodents will fluoresce under Blacklight. To determine rodent presence, simply illuminate the area in question with a this light. Dry rodent urine glows a blue-white if fresh to a yellow-white if old. Due to the intensity of this LED device protective glasses are recommended. Do not shine the flashlight into the eyes of this, when you use it.