197463 Quantity 1 piece(s) per pack Color Black Material Aluminum alloy Suitable Gun Type Suitable for general broad gauge bracket 20mm guns Reticle Five line differentiated board Magnification 3~9X Objective Diameter 32mm Exit Pupil Diameter 35mm Eye Relief 5~7cm Adjustment Graduation Tuning inside Specification Powered by 1 x CR2032 battery (included); Water resistant and shock resistant; Built-in red / green 5-mode brightness adjustable. Packing List 1 x Gun sighter 1 x Wrench 2 x Holders 1 x Cleaning cloth 1 x Dust-proof cover 1 x English user manual