Two piece, rubber coated body Ergonomic design for comfortable handling Easy to use and operate Built in, high quality Infrared Illuminator Auto gain control to eliminate negative effects of bright light Four piece objective and five piece ocular, all glass element, camera quality 3x lenses Soft touch OnOff and IR control buttons Intensifier Tube Generation Gen 1 Elite Magnification 5.0x Range of View ft 650 ft. Range of View m 200 m. Resolution lp mm 24 Spectral Sensitivity nm 400 900 nm. Power Supply 2 AA Batteries Weight 24 oz. 680 g. Dimensions 7.6 L x 3.4 W x 2.9 H inches Operating Temp 22 Fahrenheit to 113 Fahrenheit Objective Lens Focal Length 80 mm Aperature 11.7 FOV 1000 yards 524 ft. FOV 1000 meters 160 m. Focusing Range 10 ft 3 m Material Glass Number of Elements 4 Ocular Lens Focal Length eye relief 12 mm