The Klein Tools TI222 Thermal Imager for iOS Devices has 10,800 pixels delivering excellent resolution to troubleshoot hot and cold spots. This Thermal Imager is perfect for detecting hot spots in panels, on wiring, or on parts of equipment helping find sources of energy loss within a home/building helps detect moisture behind walls and flooring clogs in pipes and much more. Fits phone cases up to 1/16-Inch (1.5 mm). Phone cases thicker than 1/16-Inch (1.5 mm) may require removal of case for secure connection. Easily capture, store, and share thermal images and video through the Klein Tools Thermal Imager App, available for free in the App Store.