Protech Handheld Thermal CameraThis non contact thermal imaging camera helps you instantly pinpoint overheating components on a circuit board, identify any areas of wasted heat energy, or spot any thermal insulation gaps in equipment or a building. To operate, simply point the camera to the region you want to test and see the warm components or areas show up as yellow, orange or red, and cool areas as blue and green on the 2. 4inch display. Press the trigger to save a snapshot to