The Trijicon IR-Patrol is an ideal thermal unit for tactical, hunting or spotting purposes. Its unique design makes it easy to hold and use as a monocular but the different mounting options will allow it to be attached to a helmet unit or firearm. This units lightweight, compact and extremely rugged design coupled with its advanced performance options make it the ultimate multi-purpose thermal unit. IR-Patrol Features640x480 Thermal Sensor offers clear, crisp imagery through smoke, dust and complete darknessThumbstick System Controller - Fully ruggedized, weatherproof, multidirectional thumbstick control8-12 Micron Technology- 30 Hz frame-rate systemEdge Detect Mode - Offers a fraction of the brightness of other modes so your eyes are not as prone to night blindness from the screen by outlining potential targetsMade in the USA - Built for shooters by shooters right here in AmericaDedicated Riflescope -multiple reticle selections and optional Clip-On ModeMaxpol Polarity- six Levels of White Hot/Black Hot5 Second Startup Time Trijicon IR PATROL LE100 19mm BLACK IRMO-100