DESC: Night Detective® is proud to introduce the latest in our Night Vision monoculars line - BRAND Series. ND BRAND monoculars utilize the finest Generation 1 Electronic Intensifier Tubes calibrated for matching intensity. Innovative body design makes for comfortable operation and appealing look. Advanced electronic circuitry and a built-in super powerful Infrared illuminator coupled with state of the art all-glass lenses, brighten even the darkest of the nights.