Combo light and laser gives you a laser that is located inside the flashlight housing for a compact design. The flashlight has an ultra-bright 200 peak lumens with a powerful 520nm green laser. Has interchangeable back plates for right or left handed users. Mounts to standard Picatinny, Weaver, style rails. Operates in temperatures between 14 to 122 degrees and includes a remote pressure on/off switch and 2 CR123A 3V batteries.