LYNX PG21 are one of the smallest night vision goggles. They are equipped with automatic brightness control, light overload protection, an input for filling with dry air or nitrogen, „ON/OFF“ and low battery indicators, built-in infrared illuminator. They have wide adjustable interpupillary distance (59 – 70 mm) that meet all the requirements for ergonomic equipment. Lenses replacement is possible. The device can be used at night by means of fixing straps on the head, so-called head mask that provides safety and comfort while movements in the area and in buildings at night and in total darkness.