Feature: 1. 365nm UV Flashlight: This UV detector flashlight adopts 365nm chip LED light source instead of diode lamp, with 3000mW output power and radiation energy of 200mW/cm, which is professional and durable. 2. Fluorescent Detection: Black filter optical lens, which eliminates most of the external visible light (visible light you see when you shine it on a surface is fluorescent). 3. Strong and Constant Brightness: The aluminum alloy deep reflection cup with the latest electroplating technology allows you to obtain a compact, strong and far beam. Constant brightness; Reverse polarity protection to prevent improper insertion of flashlight battery. 4. Aluminum Alloy: Made of aluminum alloy material, this 365nm UV flashlight is impact, corrosion and scratch resistant in harsh environments. Portable and easy to use. 5. Applications: It is widely used in industrial and commercial fields, such as rock hunting and mineral detection, UV resin curing, pet urine stain detection, scorpion hunting, ID card and passport inspection, currency verification, forensic medicine, gasoline inspection, automobile exchange leakage detection, jewelry identification, crystal crafts repair, etc. Specification: Item Type: 365nm UV Flashlight Material: Aluminum alloy Gross Weight: 143g / 5.0oz Size: Length: 142mm / 5.6in, Lamp head diameter: 35mm / 1.4in Power Supply Battery: 1pc 26650 or 1pc 18650 lithium battery(not included) Light Source: UV Wavelength: 365nm Controls: Keys Light Gear: Always on Uses: Non destructive testing, resin curing, gas leakage, scorpion and pet urine search, etc. Package List: 1 x Flashlight1 x Battery Case (Built in)1 x USB Cable