Trijicon Electro Optics IR PATROL M250 19mm Thermal Imaging Monocular 60Hz Black. Trijicon manufactures these Thermal Imaging Monoculars from 6061 Aircraft-grade aluminum and uses nitrogen purging for waterproof function. The Trijicon Electro Optics IR PATROL M250 Thermal Imaging Scope has intuitive ergonomic controls that put advanced IR technology at your command. When your mission demands the best choose the Trijicon Electro Optics IR PATROL M250 Helmet-Mounted 19mm Thermal Imaging Monocular 60Hz. Specifications for Trijicon Electro Optics IR PATROL M250 19mm Thermal Imaging Monocular 60Hz: Manufacturer: Trijicon Included Accessories: Edge Detect & Video Out Image Capture Download Cable & Software Hard Case 60hz with Polarity/zoom Objective Lens Diameter: 19 mm Battery Life: 1.5 - 3.5 hours Battery Type: CR123 Operating Temperature: -40 - 55 Celsius Length: 5.95 in Height: 2 in Width: 2.95 in Weight: 16 oz Battery Quantity: 1 Color: Black Diopter Adjustment Range: -6 - 2 dpt Eye Relief: 27 mm Features of Trijicon Electro Optics IR PATROL M250 19mm Thermal Imaging Monocular 60Hz Helmet Mounted IRMO-250: High Detail Imagery: advanced ability to process images with brilliantly sharp detail combined with user-friendly icon-based menu system for intuitive navigation. Fully ruggedized weatherproof multidirectional thumbstick control is large and easy to find in complete darkness. Edge Detect Tactical Mode projects a fraction of the brightness of other modes to protect against night blindness caused by light from the screen. Maxpol Polarity easy to control polarity mode lets you switch between 3 levels of white hot and 3 levels of black hot displays. Helmet Mount Hands Free Observation: Take advantage of the lightweight design and fast 60 Hz frame-rate system that is optimized for helmet mounting. Uncooled VOx (Vanadium Oxide) Sensor Type Thermal Sensitivity