The compact and powerful ProTac HL now shines brighter - high lumen and producing a blinding 750 lumen beam to flood a large area with light. Ten-Tap Programming. Choice of three user selectable programs: high/strobe/low. high only. low/high. C4 LED technology, impervious to shock with a 50,000 hour lifetime. 3 light output levels: high, low and medium. High for maximum illumination: 750 lumens. 18,300 candela peak beam intensity. 270m beam distance. runs 1.25 hours. Low for a less intense beam and longer run time: 35 lumens. 900 candela peak beam intensity. 60m beam distance. runs 18 hours. Strobe for disorienting or signaling: runs 2.5 hours. Multi-function, push-button tail switch for one-handed operation. Optimized electronics provide regulated intensity. Durable anodized machined aircraft aluminum construction. O-ring sealed glass lens. Anti-roll head prevents the light from rolling away when you set it down. Removable pocket clip. IPX7. waterproof to 1 meter for 30 minutes. 1 meter impact resistance tested. Includes two 3V CR123A lithium batteries and nylon holster. 5.40-Inch (13.7 cm). 5.6-Ounce (159g) with batteries. Limited lifetime warranty. RoHS compliant..