The Crimson Trace Rail Master Pro Laser Sight & Tactical Light Combo- Universal Red Laser combines two useful tactical tools in one. The laser light is complimented by a flashlight with 100 lumens of light. This is a very versatile laser light that will fit most all pistols, shotguns, and rifles that come equipped with a Weaver or a Picatinny-style rail. Its features include three operational modes, an auto shutoff to conserve the life of the lithium battery, and instant activation with tap-on and tap-off controls. This unit has an aluminum body that is made to be waterproof.