... circuit wire, it equip with 4mm safety electrical cable, with test pins, students can measure voltage, resistor, frequency of vehicle, it is ... , you can test system circuit components signal, such as resistor, voltage, current, frequency, waveform etc. 5. With diagnose sockets, you ... circuit diagram, the same as real car. 4mm aluminum and plastic panel, students can learn real object. 7. Desktop is ...