Specially designed for hybrid vehicles, the Sealey digital automotive analyser/ insulation tester conforms to EN61010 CAT III (1000V) & CAT IV (600V). For added ease of use, this device can be used on its own, or linked wirelessly with a USB (Universal Serial Bus) interface allowing results to be graphed saved or printed. Unlike other multimeters, this unit has an insulation function that allows testing of the insulation of high voltage devices found on hybrid vehicles. Completing this product is a high quality screen & IP67 water & dust resistance for added durability.