This Flir TS32 thermal night vision monocular has a resolution of 320x240 and a maximum range of 500 yards. The TS32 features a 2x digital zoom, military standard white-hot and black-hot polarities as well as 4 levels of Instalert™ polarity which isolates heat above a certain temperature and highlights it a bright red. FLIR SCOUT TS32 320X240 Thermal Camera 431-0003-07-00S