Extensively tested for performance, durability and reliability, you won't find a higher quality, more dependable light on the market today. With 700 lumens of vibrant white light, our 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. With just a flip of the lever, instantaneously switch between white or infrared mode. In addition, the easy-to-operate lockout system ensures the light isn't activated until you're ready. Our all-inclusive rail clamping design integrates seamlessly with your weapon, providing simple, fast mounting with no need for additional tools.FUNCTIONS: Constant / Momentary / StrobeMODES: White / InfraredOUTPUT: 700 Lumens (white mode) 400mW (infrared)RUNTIME: High efficiency emitter provides up to 2 hrs (white) / 4 hrs (infrared) WEIGHT: 4oz/113.4g with batteriesSIZE: Length: 5.34 in. / 13.54 cm Bezel Diameter: 1.125 in. / 2.857 cmMOUNT: Integrated MIL-STD-1913/NAR rail. No tools required.ACTIVATION: Ergonomic contoured design for easy on/off.LOCKOUT SYSTEMS: Safety Lever / Head RotationCONSTRUCTION: Reinforced polymer body offers high-impact resistance and durability. Patented heat dissipating vents for improved LED thermal management.WATERPROOF: Up to 66 feetBATTERIES: 2 Lithium 123A included, head removes for battery replacement.