The best thermal imaging cameras avalible are offered by FLIR. This is what the military uses, law enforcement agencies, and other major industrial entities in Utah. FLIR has the most sensitive detectors, highest temperature ranges, as well as the lowest price. FLIR is the leader in thermal imaging and has features such as WIFI, and Bluetooth on their cameras. Not only do they take images like a regular camera, they also record like footage. This is a thermal company worth looking at. http://www.flir.com/thermography/americas/us/view/?id=56784