This is a Trijicon Electro Optics Thermal Optic known as the IR Patrol, model IRMO-300TK.
Whether your mission is searching for a suspect or securing your position" the Trijicon IR-PATROL(R) is the ideal multipurpose thermal imaging monocular. It's compact" lightweight" rugged and offers some of the most advanced performance options on the market
Features:
Thumbstick controller
Weatherproof
Edge detect to reduce night blindness
Maxpol polarity