Streamlight TLR-4 G Low-Profile Tactical Gun Light for H&K USP Full-Size with CR2 Lithium Battery

One handed snap-on and tighten interface keeps hands away from muzzle when attaching/detaching. Uses one 3-volt CR2 lithium battery (included). Green laser provides high visibility long-range targeting, even in daylight. Ambidextrous momentary/steady On-Off switch. BOROFLOAT high-temperature glass lens. IPX4 water-resistant. Designed for sub-compact and compact weapons, this tactical rail-mounted light features an integrated, visible green laser optimizing brightness with a wide operating temperature range. Ultra lightweight and compact, the Streamlight TLR-4 G Weapon-Mounted Tactical Light features the latest in wide temperature direct drive green laser technology. The light provides 1.25-hours of continuous runtime when in dual mode with the high power visible laser. The rail clamp is designed to rapidly attach/detach from the side of a weapon.