... Lithium4,Tube Diameter: 0.98 Inches(24.8mm)5,laser colour: Green6,laser wavelength:532nm7,Output Power:20mw8,Maximum Range: 800mFeature1,Advanced ... power usage7,Lightweight,Compact, Shockproof8,Adjustment Type: Allen wrenchPacking includeA Laser Sight,a Mount,a CR123 Lithium Battery,two Allen Wrench ... on the quantity of the order. Sunsfire Tactical green dot laser sight/scope/pointer for hungting guns