SMK1139 Features: * Night vision monocular * Easy to use design * Most compact digital night vision unit on the market * Day and night operation * Enhanced multi-coated optics * High resolution * Two tripod sockets * Lightweight * See in the dark * Stay hidden * Magnification: 3.5x * Objective lens diameter: 42mm Dimensions: * Weight: 3 lbs * Dimensions: 9" H x 3" W x 5" D