Compatibility:Walther PPS M2 Pistol Material:Polymer Activation Location:Front Activation Attachment:Trigger Guard Battery Type:One 1/3N Lithium Battery Laser Battery Life:Over Four Hours Activation Mode:Pressure Activated Sighting:Factory Sighted at 50' User Adjustable:Windage and Elevation Beam Intensity:5mW peak, 620-670 nm, Class 3R laser Activation:Front-located integrated momentary pressure pad Dot Size:0.50' at 50' (Approx.)