Armour Uv LED Flashlight 395 nM 51 Uv Pet Urine and Bed Bug Interceptor Black Light Treatment Ultraviolet UV flashlight high power uv led flashlight Leak detection, Counterfeit bills, detect fluorescent inks, scorpion detection, antique detection Wave Length 395 nM Approximately 20 hours of battery life Requires (3) AAA Batteries - NOT INCLUDED