DESC: ND Flip-Up Goggles 4 are all about technology and comfort. Featuring two premium quality Generation 1+ Image Intensifier tubes, ND Goggles 4 deliver outstanding performance brightening your view at night. All-glass multicoated lenses maintain excellent image clarity while reducing the glare. The ND Goggles 4 can be used in low light conditions of moonlight, as well as in complete darkness with the aid of the built-in Infrared illuminator.