The Superior Tactical PVS-14 Night Vision Monocular is a rugged, lightweight, multi-purpose night vision device that has repeatedly proven itself. The PVS-14 design was originally commissioned by the United States Military to enable nighttime operations. This monocular is used globally in some of the most challenging environments. The PVS- 14 can be used as a handheld device, or mounted on the included head harness. With the proper accessories, it can also be mounted to helmets providing night vision capabilities to daytime optical sights. The PVS- 14 monocular conforms to 810G Military standards, and is of the highest quality form and function. The PVS-14 monocular is a full-featured unit, weighing less than 12.4 ounces/ 0.32 kilograms. The unit includes manual gain control, an automatic bright light shut-off feature, and a built-in Infrared (IR) illuminator. The automatic brightness control ensures a consistent, steady image by automatically adjusting the visual in real time, based on the available light in the area. The bright light shut-off feature ensures that the high-quality photocathode tube is protected. Superior Tactical PVS-14 includes an array of optional accessories to support virtually any operation. Warning: California's Proposition 65 Compact, rugged design Waterproof Head or helmet-mountable for hands-free usage Manual gain control Ergonomic, simple, easy-to-operate controls Built-in Infrared illuminator Limited Ten-year warranty PACKAGE INCLUDES System Soft Carrying Case Helmet/ Head Mount Adapter Head Mount Assembly Neck Lanyard Operators Manual Batteries Demist Shields Sacrificial Window Lens Tissue SPECIFICATIONS Image Intensifier Tube Gen 3 Auto-Gated White Phosphor 20UA Resolution 64-72 lp/mm Field of view cleanness by zone Gen 3 IIT 20UA is offered with high quality and practically no visible spots in Zone 1. Magnification 1x (3x and 5x optional) Lens System 26 mm