BRAND Series. ND BBR5 binoculars utilize the finest Generation 1+ Electronic Intensifier Tubes calibrated for matching intensity. Innovative body design makes for comfortable operation and appealing look. Advanced electronic circuitry and a built-in super powerful Infrared illuminator coupled with state of the art all-glass lenses, brighten even the darkest of the nights. Features: * Two premium quality Generation 1 Image Intensifier Tubes. * 5x image magnification. * Multicoated lenses for higher precision. * Built-in Infrared illuminator. * Efficient circuit design. * Comes in its own protective shoulder bag for comfortable transportation. Specifications: Generation: 1+ Magnification: 5x Range of View (feet): 650 Resolution (lp/mm): 24-30 Spectral Sensitivity: 400-900 Objective Aperture: 1.7 Focusing Range (in): 10-infinity Power Supply: 2 AA batteries Dimensions (in): 7.6 x 4.8 x 3.1 Weight (lbs): 2.75