... 1, 5mW Red Laser Sight 2, with Scope Mount 3, Full Metal 4, With battery Model: SCRL-01Power: <5mWWave Length: 650nMWeight (only with mouse-tail switch): 100g (3 ... .5 ounces)With 25.4mm (one inch) Laser / Flashlight Weaver Barrel Mount.Dia ... under our strict quality control Vector Optics Tactical 5mW Red Laser Sight with Scope Mount