FEATURES Technology Generation 1 500x Ambient Light Amplification Powerful Infrared Illumination Easy One Hand Operation All Glass Optics SPECIFICATIONS Magnification 4x Field of View 56 feet distance of 200 ft. Infrared IR field of illumination is 32 ft. diameter 150 ft 12 Degree Projection Angle Power Supply CR 1233 volt lithium battery Weight 14.5 oz. Dimensions 7.6' x 2.4' x 3.82'