Streamlight 69264 TLR-1 High Lumen Rail-Mounted Earless Tactical Light with Rail Locating Keys and Lithium Batteries, Black - 800 Lumens 6000 Series machined aircraft aluminum with black anodized finish.High temperature, shock mounted, impact resistant Boro Float glass lens 800 lumens; 15,000 candela peak beam intensity; 245m beam; runs 1.75 hours Ambidextrous momentary/steady On-Off switch One handed snap-on/tighten interface keeps hands away from muzzle when attaching/detaching IPX7 rated design; waterproof to 1 meter for 30 minutes