The FLIR E4 is a compact Thermal Imaging Camera that is a mid to high range camera aimed at tradesmen and serious do it yourselfers and homeowners. There are many variations of this model with the higher end ones have WiFi capability for transmitting pictures. This model has a 3 inch display with a resolution of 80 x 60, with more expensive models going up to 320 x 240. A thermal sensitivity of .15 as well as a field of view of 45 X 34. The temperature range for this camera is -4°F to 482°F. Note that this camera is not compatible with external lenses. This camera also comes with FLIR’s Tools which is the software for editing pictures and creating reports. The FLIR E4 comes with their award winding 2-5-10 year warranty.