Night Ops Gladius Tactical Light Sniper Gray Body. 6" overall with 1" diameter. Corrosion resistant anti-roll aluminum body. UCL Glass protecting the LED and reflector. Fast action multi-function capability with momentary, strobe, constant on, dimming and lock-out. Waterproof to 50 meters. Intelligent digital thermal and power management systems. Shock resistant for combat applications. Powered by two 3-volt lithium batteries (CR123A) for a total runtime of 90 minutes at the full power setting. 80+ lumen output. Plastic storage case.