StreamlightPT2L Led Mini Light High Output ProTacLED, strobe, and reduced power LED. Tailcap push button switch and has a pocket clip. It takes two 3 volt Lithium Batteries. 180 Lumen 2.5 hour run time Waterproof to 1 meter for 30 minutes. Strobe 3 Modes; High Beam, Low Beam, Strobe. Weighs 2.8 oz. Backswitch Maintains high output for almost 2 hours. Used led solid state power regulation to provide max output and battery life. Anti roll facecap. C4 high output led. Removable pocket clip. Anodized aluminum construction. Serialized for positive identification. Uses and comes with two cr123 batteries and nylon belt holster. Full Lifetime Warranty from Streamlight.