Streamlight ProTac Headlamp Lithium ION USB cord 1000 Lumens Black Clam Pack. Streamlight constructed these Headlamps from anodized aluminum for a rugged lightweight build that's resistant to the elements. This Streamlight ProTac HL USB Water-Resistant Headlamp features TEN-TAP Programming that allows you to easily switch between 3 different modes and the 90-degree tilting head reduces neck fatigue so that you can wear this lamp for extended periods of time. Take on any task in low-light conditions with a Streamlight ProTac HL USB Tactical LED Headlamp. Specifications for Streamlight HL Headlamp: Manufacturer: Streamlight Color: Black Light Output: 1000 lumens Battery Type: Lithium Ion Fabric/Material: Anodized Aluminum Battery Life: 2 - 20 hours Features of Streamlight ProTac HL 1000 Lumens USB Rechargeable Headlamp: Multi-function push-button tail switch for one-handed operation Uses two 3V CR123A lithium batteries (included) C4 LED technology impervious to shock with a 50000 hour lifetime Anti-roll head prevents the light from rolling away when you set it down TEN-TAP Programming - Select one of three different programs Three operating modes: High Low Strobe Removable pocket clip. Package Contents: Streamlight ProTac HL 1000 Lumens USB Rechargeable Headlamp Streamlight 61305: ProTac HL 1000 Lumens USB Rechargeable Headlamp Black