Designed for use on compact and subcompact pistols, the Streamlight TLR-3X USB Gun Light delivers 500 lumens of brightness in a versatile package. First, it provides multi-fuel utility, operating on the included rechargeable SL-B9 battery or a single CR123A battery (not included). Its reversible rail clamps allow it to fit a wide variety of handguns while multiple paddle switches provide easy operation. Impact-resistant polymer construction with a durable anodized aluminum face cap provides enhanced durability, while the high-temp BOROFLOAT glass lens provides a beam distance up to 176 yards. One-handed snap-on interface keeps your hands away from the muzzle when attaching and detaching. Waterproof to IPX7 standards. Includes mounting kit, paddle switches, and SL-B9 rechargeable battery. Designed for compact and subcompact handguns Dual-fuel utility: operates on included SL-B9 rechargeable battery or one CR123A battery 500-lumen output 176-yard beam distance Reversible rail clamps fit a wide range of handguns Multiple switch positions Impact-resistant polymer construction with aluminum face cap High-temperature BOROFLOAT glass lens Waterproof to IPX7 standards Includes mounting kit, paddle switches, and SL-B9 battery