http://www.aikencolon.com/fluke-tir32-building-diagnostics-thermal-imager.html Fluke TiR32 Building Diagnostics IR Infrared Thermal Imaging Camera The TiR32 delivers the crisp, clear images with its 320 x 240 resolution detector. An Industry leading 50mk (.05C) thermal sensitivity (NETD). Automatic alignment of infrared and visual images with patented Fluke IR Fusion. The most affordable optional wide angle and telephoto lenses on the market. Interchangeable litheon ion batteries 150C temperature range 6.5 ft drop rating 2 year warranty