The flashlight is composed of 9 LEDs, lower wattage for better portability, ideal for carrying in a bag or in the hand. Durable product. UV Flashlight can be used to reveal your pet's urine in carpets and furniture. You don't need to clean the whole house, just shine the UV lamp and the stains will appear, great for easy cleaning. UV flashlights can also help you identify counterfeits and reveal hidden ink on passports, money, or other important documents. It is also an essential tool for law enforcement, postal inspections, customs, medical personnel, scorpion hunting. Direct exposure to UV flashlight is harmful to the eyes. UV rays are strong, lower co.ukequency than X rays. Do not look directly at the light. The lamps are powered by 3 AAA batteries (not included). Leagy UV 9 LED Flashlight Black The mini flashlights are portable to be carried outdoors, with 9 LED lights to illuminate well. Allows you to reveal spots or marks invisible to the naked eye. Uses: inspection of old