Compact night-vision monocular with aluminum body features an infrared illumiNATOr. Perfect for any climate; functions in all temperatures from -22 degrees F to 104 degrees F Specifications and features: 2x magnification Multi-coated lens Shockproof 15oz. 6.25"x2.0" 12 degrees field of view Uses CR 123N (3-volt) battery (not incl.)