The Surefire® X400U Weapon Light and Laser comes equipped with a powerful, 100-Lumen LED light and laser combo for reliable, positive identification and intuitive target acquisition. Featuring an aircraft aluminum housing with a corrosion-resistant anodized finish, this weapon-mounted light/laser offers unmatched durability and lasting field performance. Operating on two 123A lithium batteries (included) this tactical flashlight delivers an impressive 1,000-lumen output from a powerful LED bulb, while the premium TIR lens converts the light into a high-intensity beam, ideal for close-range applications. The proprietary TIR lens offers a focused beam of bright white light out to 213 meters, ideal for close- to longe-range operations, while the aircraft aluminum low-profile mount securely attaches to most Picatinny-style rails for exceptional reliability and quick, field-ready performance. Ambidextrous push-button controls offer quick operation for intuitive target acquisition and reliable light discipline. Plus, this weapon-mounted flashlight features a <5mW / 515nm green laser sight, designed to deliver exceptional clarity and lightning-fast target acquisition with virtually any handgun. Better yet, this flashlight features an impact-resistant, optics-coated polycarbonate lens for scratch-free field performance in virtually any environment.). IPX7 waterproof. Compatible with pressure-activated DG and XT remote switches (not included) for precise weapon control.