ATN is the manufacturer of the worlds largest selection of night vision devices and specialized optics. ATN uses the purest grades of heavy glass and computer aided optical designs. All lenses are multi-element, high aperture and multi coated. Night vision devices utilize only the best hand selected Image Intensifier Tubes with 5X Magnification. Material range from titanium, aircraft quality aluminum to hi-impact plastic. All unit feature O-rings, nitrogen purging and hard exterior coating. The Night Shadow "Smart: Night Vision Binocular comes standard with our cutting edge "smart" technology consisting of a computerized proximity sensor, digital controls and a long range infra red illumiNATOr. The proximity sensor will automatically turn the unit on and off when it is brought to the viewing position. This helps save the battery life and the life of the unit itself. The digital controls allow you to activate all the features of the Night Shadow with an easy push of a button. Gen 3 is the most advanced technology that serves the US Military and Special Forces. It is the choice for those who demand the best resolution and ranges up to 300 yards. All ATN Night Vision units come with carrying cases, batteries, users manuals and instructional video. As with any night vision equipment; exposure to light may result in permanent damage. For all warranty claims, please contact ATN Warranty center directly at 1-800-910-2862 for repair or replacement. Non-Returnable item to Cheaper Than Dirt. Due to state and local laws Night Vision products cannot be shipped or sold to any residence in Rochester or Buffalo, New York.