The TLR-7 HL-X USB high-lumen, multi-fuel, rail-mounted light is engineered to produce a longer reaching, tighter beam. It accepts either Streamlights SL-B9 USB-C rechargeable protected lithium-ion battery pack or a single CR123A lithium battery. Interchangeable rear paddle switches accommodate your shooting style. Specifications for Streamlight TLR-7 Hl-X USB Multi-Fuel Rail-Mounted Flashlight: Manufacturer: Streamlight Light Output: 1000 lumens Battery Type: CR123A Beam Color: White Beam Distance: 297 m Housing/Frame Material: Aluminum Length: 2.9 in Weight: 2.88 oz Battery Life: 1.5 hours Finish: Anodized Lens Material: Glass Battery Quantity: 1 Flashlight Application: Tactical Water Resistance Level: IPX-7 Fabric/Material: Aluminum Features of Streamlight TLR-7 HL-X USB Gun Light Ambidextrous rear paddle switches with HIGH and LOW options Safe-off feature prevents accidental activation; saves batteries Rail grip clamp securely attaches/detaches without putting your hands in front of the muzzle Durable, anodized machined aluminum construction User-enabled strobe function IPX7 waterproof to 1m for 30 minutes SL-B9 battery packs available as 2PK or 8PK accessories Limited lifetime warranty Package Contents: Streamlight TLR-7 HL-X USB Gun Light (1) SL-B9 USB Rechargeable Lithium-Ion Battery Key Kit Interchangeable High And Low Switches