206847 Quantity 1 piece(s) per pack Color Black Material Aluminum alloy Suitable Gun Type Suitable for the weaver rail with 20mm diameter Magnification 3~9x Objective Diameter 42mm Exit Pupil Diameter 5cm Eye Relief 6cm Laser Wavelength 630~680nm Laser Power <5mW Laser Reaching Range 200 meters Specification Powered by 3 x AG13 batteries (included); Built-in red， green light 5-mode adjustable intensity， powered by 1 x CR2032 battery (included); Back stop screw button; Quick release rail (20mm); Waterproof， shock proof Packing List 1 x Gun sight 2 x CR2032 batteries 3 x AG13 batteries 2 x Hex wrenches 1 x Cleaning cloth 1 x English user manual