INFORCE WMLx, Weaponlight, Gen 3, Fits Picatinny, White/Infrared, Black, 900 Lumen for 2 Hours, White LED, Secondary IR LED 400mW, 4 Hours, Primary White Light, Constant/Momentary/Strobe IF71014 For great value and appreciable power in an ultra-compact white-light" the WML White - Gen 3 is an optimal choice. If you're looking for a bit more" the WMLx White - Gen 3 sets the standard for balancing output" reliability and size in a lightweight rifle light. Both weapon mounted rifle lights are made of glass reinforced nylon. This allows for lightweight yet durable construction. These devices are also impervious to dust" sand" and dirt" and are waterproof to 66 feet.