The Surefire M640 Scout Pro is a tactical weapon light featuring a maximum output of 1500 lumens. This model is designed for gun-mounted applications, providing a powerful illumination solution. It is constructed with a black anodized finish and measures 5.6 inches in length.Key FeaturesLumens: Produces a maximum output of 1500 lumens.Mount Type: Compatible with Picatinny and M-LOK mounting systems.Style: Specifically designed as a gun-mounted accessory light.