*Measuring voltage range: 0-60V
*Testing voltage DC: 0-24V
*Voltage/ Polarity/ Countinuity Testing .
*Locate missing cylinders
*Measuring freuency of the ignition
  pulses
*Rotational speed of engine
*Peak detection: Set level voltages are
  0.5V, 1.0V, 2.0V, 5.0V, 10.0V, 48.0V 
*Including a long probe (90mm), a
  cigarette lighter adapter, a hook-up clip
  and extension 20ft lead, instructoin booklet
*It provides the illumination for your
  convenience