DescriptionThe item is a handheld professional LED blacklight, which is powered by 3 AAA batteries, and adopts 21pcs 395nm utlraviolet LEDs as light source to give off UV light for authenticating cash, credit and documents to prevent forgery, and detecting fluid leaking or police scanning the crime scene, etc. With waterproof design and easy to use, it is really a wonderful UV LED blacklight for choice.Features- Shell color: mainly black.- Shell material: durable aluminum alloy.- and 21-LED 395nm Ultra Violet UV LED Blacklight Flashlight.- Light source: 21 * 395nm Ultra Violet UV LEDs.- Identify cash, credit and documents to prevent forgery.- Authenticate amber, detect glass break, find bugs/insect, and prospect minerals.- Spot certain chemical/gas leaks, locate dangerous pests like scorpions or rodents.- Also suitable for police to scan the crime scene.- Easy to operate, only to press the switch at the tail to turn on/off.- Luminance: 10,000-12,000MCD.- Working voltage: 4.5V.- Powered by 3 * AAA batteries (not included).- Working time: about 6-8 hours.- Waterproof design makes it also suitable for outdoor use.- Handheld design, easy to use and convenient to carry.- Note:1. Due to the of this UV LED blacklight, UV protective glasses are recommended.2. Do not look into this device while operating or Do not shine in any person's eyes.Packing list1 * Handheld Waterproof 21-LED 395nm Ultra Violet UV LED Blacklight Flashlight (Black)