2 in 1, 4 modes - LED lighting is a combination of white and purple. This product can be used for lighting or object detection. In addition, depending on the situation, you can use the main switch to switch quickly and easily between the four lighting modes. High white light - low white light - SOS - high ultraviolet light. Stain and Pet Urine Detection: 395NM UV flashlight helps detect food stains and pet urine stains on carpets, clothes and toilets that are invisible to the naked eye. It has a significant effect on dog urine.It can also be used for forged document detection, currency verification, amber ,jewelry detection, scorpion,and body art. Convenient to Carry: The flashlight is easy to carry as a backup tool. It is 5.11 inches long and weighs about 5.3 oz. It is portable enough to put in your pocket, handbag, drawer, or car compartment. ideal for outdoor activities at night or in dark conditions such as camping, hiking, night fishing, dog walking, mechanical inspection. High-quality Materials: The main body of this black light flashlight is made of high-quality aviation-grade aluminum alloy, with strong military-grade hard anodized treatment. Reliable non-slip and IPX 4 waterproof function, suitable for a variety of outdoor applications under severe weather conditions. Batteries Included: The uv light flashlight contains 3 AAA batteries. NOTE: 2 PACK of FLASHLIGHTS BATTERIES ARE NOT INCLUDED.