Hand-held, lithium battery-powered programmable flashlight that provides 600 lumens of light with 253 meters of beam distance. Ten-Tap Programming-Choice of three user selectable programs: 1.) High/Strobe/Low 2.) High Only 3.) Low/High C4 LED Technology, impervious to shock with a 50,000 hour lifetime 3 Output Levels: High-16,000 candela peak beam intensity, 750 Lumens, 1.25 hours runtime Low-800 candela peak beam intensity, 33 Lumens, 18 hours runtime Multi-function, push-button tail switch for one-handed operation Optimized electronics provide regulated intensity Durable anodized machined aircraft aluminum construction Anti-roll head prev Mfg: Streamlight