... parts 3.21mm Weaver mount 4.Pressure/button switch 5.One CR123 battery 50MW green 303LS laser sightProduct name 50MW Laser ... inches (120mm)2,Weight:4.85 ounces (135g)3,Battery Type: One CR123 Lithium4,Tube Diameter: 1 Inches(25.4mm)5,laser ... ,Compact, Shockproof, rainproof, waterproof 30minutes in 1M deep water8,Adjustment Type: Allen wrenchPacking includeA Laser Sight,a Mount,a CR123 Lithium ...