Features: The auto test cable (HT30A) is a kind of special line for assisting automobile measurement instruments to test various types of signals. High quality and professional high voltage auto test lead. It's about 3 meter in length allows the oscilloscope to be placed on the work bench away from the car being tested or repaired. It consists of wide range probes, clips, gators can be plugged into the 4 mm connectors at the end of the cable. It adopts full shield which can help reduce the noise interference.