Atak 80 Lumen LED Tactical Multi-Function Flashlight Produces 80 lumens, with PRO-FOCUS telescoping beam, twists from spot to flood Up to 6 Hours Runtime on Low, 3 Hours on High PRO-FOCUS Travel Distance up to 500 Feet, 150m 3 Output Settings, 50 percent, 100 percent, Strobe Uses Professional Nichia LED