Sight holographic Red Green Dot Reflex 558 G43 3X Magnifier Combination Specification:Item No:558 Red/Green Holographic+ G43 Magnifier 3x Quick Transitions - Change quickly from close quarter to medium range targets with the included G43 Magnifier and Switch-to-Side mountMaterial: Grade aluminum alloy/Shock Proof/Weather Proof Material Color:TAN onlyRail Width: 20mm 558 Holographic : Magnification: 1X Reticle Color:Red & green dot sight brightness adjustment. Operation switch: Button Battery: 1*3V CR123A/1 x 16340 battery(Not include) G43 Magnifier Magnification: 3X Eye Relief:2.6" (67 mm) Field of View:7.5° Water Resistant:  33ft. (10 m) depth G43 3X Sight Magnifier With Switch to Side QD Mount + 558 XPS Red Green Dot