INFORCE, WML-Weapon Mounted Light, Multifunction Weaponlight, Gen 2, Fits Picatinny, Black Finish, 400 Lumen for 1.5 Hours, White LED, Constant/Momentary/Strobe, Ability to Switch Between Momentary Only to Full Function Modes With 400 lumens of vibrant white light, Inforce's WML Series is ultra-compact, durable, and offers three operating modes: constant, momentary and strobe. Extensively tested for performance, durability and reliability, its high efficiency emitters provide up to 1.5 hours of runtime. This 3-ounce weapon light's concentrated, high-intensity beam fills your field of view for close to mid-range target identification. The strobe function is easily disabled and the easy-to-operate logout system ensures the light isn't turned on 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.