Streamlight 69120 TLR-2 C4 LED Rail Mounted Weapon Flashlight with Laser Sight, Black - 300 Lumens Laser provides long-range targeting Ambidextrous momentary/steady On-Off switch Up to 2.5 hr. runtime (laser-only mode runs 45+ hrs.) Machined aluminum, sealed construction Includes rail locating keys for Glock style Class 3R Laser Product (Does not exceed Class IIIA emission limits), &lt;5mW power output This is a Class 3R Laser Product, 650-660 nm, Output &lt;5mW