Night Vision Monocular. Black rubber comfort grip. 3x magnification. Field of view: 68 ft. @ 200 ft. Features infrared lluminator and high grade objective lens. A photo cathode screen converts the light into electrons and then displays the image on a phosphorescent screen. Lightweight and easy to use. Operates on one CR-123/3 volt lithium battery (not included). This monocular allows you to see in total darkness. (Not for use in day light). Ideal for camping, wildlife observation, hunting, hiking and security. Comes with black nylon carrying case.