This compact weapon light for handguns, pistols and AR rifles comes with a (Cree LED light bulb made in the USA). This Picatinny mount compact weapon light for pistols is 3 watts 500 lumens super bright, designed to fit most full-size pistol frames and AR rifles with Picatinny rail systems. The compact weapon light is built of tough hard anodized aircraft grade aluminum. This tactical weapon light has an ambidextrous on/off switch and the Picatinny mount is quick release for easy installation and removal from your weapon and includes 3 color filtered lenses.