Features 35 lumens output, 6 hours of battery run time, 5.87 in. matte black Zytel/fiberglass reinforced body, 1 watt Luxeon LED bulb, and constant on & momentary switch. Uses 2 3v CR123A lithium batteries. Comes complete with belt/pocket clip. Features: Zytel-High Impact Glass Filled Nylon High Intensity 1 Watt Luxeon LED with 35 Lumen Output Advanced Circuitry Guarantees the Brightest 1 Watt LED Possible. Compare to Others - See the Difference 6 Hours Battery Run Time Anti-Roll Bezel Recessed Tail Cap Switch Eliminates Accidental Lamp Turn-On Titanium Nitride Stainless Steel Pocket/Belt Clip with Attachment Ring for 550 Parachute Cord Double O-Ring Sealed for Water Resistance Click On/Click Off & Momentary On Tail Cap Switch