The TLR-1 HL-X USB provides a 1,500 lumen peripheral beam. Features a front loading battery compartment for rapid battery replacement. Includes high and extended high paddle switches to suit your shooting style. Specifications for Streamlight TLR-1 HL-X USB Multi-Fuel High Lumen Rail-Mounted Tactical Light: Manufacturer: Streamlight Light Output: 1500 lumens Battery Type: Lithium Ion Color: Black Length: 3.45 in Weight: 5.19 oz Battery Life: 1 hours Weather Resistance: Waterproof Finish: Aluminum Battery Quantity: 2 Water Resistance Level: IPX-7 Features of Streamlight TLR-1 HL-X USB Multi-Fuel High Lumen Rail-Mounted Tactical Light Rail clamp system securely attaches/detaches quickly and safely with no tools and without putting your hands in front of the muzzle Securely fits a broad range of guns Ambidextrous momentary/steady on/off switch Durable anodized machined aircraft aluminum construction Multi-fuel operation; accepts (2) SL-B9 Li-Ion rechargeable batteries or (2) CR123A batteries IPX7 waterproof to 1 meter for 30 minutes Package Contents: Streamlight TLR-1 HL-X USB Multi-Fuel High Lumen Rail-Mounted Tactical Light Streamlight SL-B9 Li-Ion 850mAh USB-C rechargeable batteries Rail locating keys for GLOCK-style Picatinny Beretta 90TWO S&ampW 99 S&ampW TSW and SIG SAUER P320