Night vision sight Lynx NS21 - is modern, compact and lightweight. A solid-metal case. High-quality optics. Microprocessor-controlled modes of operation, low power consumption, ‘power on/off’ and ‘low battery’ indicators. Built-in IR – illuminator. Branded red aiming mark “Mil Dot” type with brightness control. It can be used with any kinds of hunting rifled or smooth-bore barrels.