Model: OTC520 - With LCD display and LED flashlight - Test the automotive electrical system within 6 to 24V - Determine the polarity and circuit circumstance (short / open) - Peak detection - Locate missing cylinders - Measuring rotational speed (measuring the frequency of the high tension ignition pulses) - Activating the components with positive or negative current without jumper wire - Testing the voltage and continuity of the circuit - LED illumination - Short-circuit protection - Packing list: - 1 x Main unit (500cm-cable length) - 1 x Car charger (26cm-cable length) - 1 x Battery terminal (24cm-cable length) - 1 x Extension cable (625cm) - 1 x Extension probe - 1 x English manual