Extensively tested for performance, durability and reliability, you won't find a brighter, higher quality, more dependable light on the market today. With 800 lumens of vibrant white light, the WMLx Series is engineered to be lightweight and powerful, and offers three easy-to-use operating modes: constant, momentary and strobe. At just 4 ounces, its concentrated spot and far-reaching, high-intensity beam provide significant light for situational awareness and long-distance target identification. The strobe function is easily disabled and the easy-to-operate lockout system ensures the light isn't turned on until you're ready. The all-inclusive rail clamping desi Mfg: Inforce-Mil SPECS: Batteries- 2 Lithium 123A included, head removes for battery replacement.