The TT-3C-UV flashlight features three lighting modes and the latest in LED technology. The six 390nm UV LEDs provide ultraviolet light for detection of fraudulent documents or detecting engine and HVAC leaks. The white C4 power LED with its textured reflector provides an even beam, along with piercing hotspot for distance. Features are C4 LED technology, with a 50,000 hour lifetime. Six 390nm UV LEDs with 100,000 hour lifetime, Unbreakable polycarbonate lens, 3 modes: C4 LED 3730 candela peak beam intensity, 185 Lumens, 27 hours runtime; 6 UV LED 40mW Lumens, 63 hours runtime; 3 UV LED - 30mW Lumens, 81 hours runtime, and three "C" size alkaline batteries. Additional features are push-button sequences through C4 LED, six ultra-bright LEDs, three ultra-bright LEDs, and off, IPX4 rated for water-resistant operation, and all openings O-ring sealed. It is One meter impact resistance tested, and includes a Wrist lanyard.