http://www.aikencolon.com/fluke-tir27-thermal-imager.html Fluke TiR27 Building Diagnostics IR Infrared Thermal Imaging Camera High resolution FPA uncooled Microbolometers (60 HZ and 9 HZ versions) Largest in class 3.7" high definition display with 640 x 480 resolution Industry leading spatial resolution delivering sharpest images Industry leading thermal sensitivity (NETD) to see even the smallest temperature differences down to 0.045°C .IS2, .BMP, and .JPG File formats on imager Easily accessible Imager information Proven ruggedness with 6.5 ft. (2 m) drop test