ATAK Model 120, 120 Lumen LED Multi-Function Flashlight (NLA) 2-WATT, 100 Lumens Output Adjustable Telescoping Beam for distance up to 200 Feet Professional Cree LED Bulb Up To 12-Hour Run Time on one set of Batteries Multi-Function Design includes, 50-Percent Output, 100-Percent Output and a High Output Strobe for Distress Signal