The ATN Night Cougar XT is a lightweight dual eye/tube Goggle system that is comfortable to wear and easy to use. Powered by two high-quality 1st. Gen+ Light Intensifier Tubes and using fast precision optics, the ATN Night Cougar XT Night Vision Goggles has one of the clearest and brightest images available in a 1st Gen. Goggle Systems. Combine all of the above with a built-in Infrared Illuminator that lets you see in total darkness, and you will be on your way to exploring even the darkest of places.