The Snap-on Diagnostic Thermal Imager+ uses infrared technology to reveal heat caused by friction, electrical resistance, pressure changes, and more anywhere under the hood or around a vehicle. It offers detailed images composed of 4,800 distinct temperature zones and is capable of identifying temperatures up to 840 degrees F. The imager features image blending, split-screen view, picture-in-picture view, image capture, and video recording for up to 20 seconds. It includes a database of automotive applications, guided tests, and reference images to help technicians find a more accurate diagnosis in less time.