Model Number: 6511 Key Specifications/Special Features: Checks from 6 to 24V system with LCD display and LEDflashlightFour modes can be selected by depressing the mode buttonVoltage meterLocate missing cylindersMeasuring rotational speed (measuring the frequency of the hightension ignition pulses)Peak detectionTest the automotive electrical system within 6 to 24V

Determine the polarity and circuit circumstance(short/open)

Activating the components with positive or negative currentwithout jumper wire

Testing the voltage and continuity of the circuit

LED illumination

Includes cigarette lighter adapter, a hook-up clip, anextension probe (85mm), and extension 20ft lead