The Alpha Optics AO-3207/3307 is a bi-ocular Night Vision goggle system built around high-grade Gen 2+ or Gen 3 image intensifier tubes. They are an exceptional choice for hands-free use. Built with high-grade optics and simple, reliable electronics, the Alpha Optics AO-3207/3307 provides bright and clear Night Vision images, even in the most trying conditions. This unit includes a built-in IR light source for reading maps or basic, short-range illumination in complete darkness. The Alpha Optics AO-3207/3307 is available with a variety of accessories such as 3X and 5X magnification lenses for mid-to-long-range viewing, head or helmet mounts for hands-free operation, and additional, high-powered IR illuminators for long-range use. Water-resistant, rugged, light, and compact, the Alpha Optics AO-3207/3307 is the perfect hands-free unit for a variety of tough operations.