ATN Mars4x-HPT Gen 2+ Night Vision Rifle Scope with 4x magnification. Newest in the ATN line up featuring only the purest grades of heavy glass and computer-aided optical designs to create lenses that are beyond current military standards. All optical lenses on the MARS scopes are individually fitted and calibrated to achieve optimum performance. The highest quality MX10160 type hand-selected image-intensifier tubes to optimize functionality in all lighting conditions, ensuring superb performance, outstanding clarity and combat reliability. Compact, lightweight and rugged one piece construction in CNC milled from solid aerospace-quality aluminum billet and fitted with titanium inserts. Proprietary feature - Two Color Manual Brightness of aiming reticle. This feature allows for a choice of color (red or amber) of the projected reticle depending on operator preference and tactical situation. Powerful magnification; superior quality, multi-coated all glass optics; precision windage and elevation adjustments; tactical digital remote control; waterproof and submersible to 66 ft for 1 hour; included mount for Picatinny or 7/8" Weaver-style rail; nitrogen-purged for resistance to internal fogging. Free Pelican Hard case. Unit accepts either (1) 3V CR123 or (1) AA battery, included. ATN manufactures and distributes the widest array of Night Vision weapon sights in the world. We are a sales and marketing leader in the US. Unsurpassed customer service on both our website and 800#, our technicians are the most knowledgeable in the world. We manufacture for the US military, law enforcement, the FBI and the Department of Homeland Security.