UV Flashlight &ndash; Ultraviolet Flashlight - Super Bright 51 LEDs - by ContractorsGrade&reg; UV Flashlight for Leak Detection, Urine, Organic Materials, Counterfeit Detection Ultraviolet Flashlight for inspection by Law Enforcement, Postal, HVAC, Plumbers and Hotels 6 Inches in length, Handle Diameter 1.25 inches, Takes 3 AA Batteries Water Resistant Flashlight, durable for field use 51 LED's, 395 nM