Night Vision Binocular. Magnification:2X Objective Diameter:42mm Resolution:2- Maximum Detection Range:250M Night Vision Binoculars:Picture Tube: 1 Magnifier,X:2Lens Diameter,mm:42Resolution,mm:2-Field Angle,. 12Diopter Adjustment Range,D:+/-5Maximum Detection range,m:250Infrared Transmetter Condenser,m:Yes/NoGrade of Waterproof:NoWorking Voltage,V:3(CR123A)Length,mm:184Width,mm:123Height,mm: ...