1.Used for testing plugs, coils and distributors in electronic ignition and .2.The grooved split ends make the contact area between the lead and the instrument larger, and the high-brightness bulb makes the measurement results easy to observe.Specification:Default :12V lead-acidSize :15 x 2 x 2cmOperating current Less than 5.0mAOperating voltage: 8-63VTemperature range0~40Display area: 43 x 11mmOne connector with two lines, 20mm in lengthMaterial: Metal+Plasticcolour: As shownPackage Contents:1 x Car Ignition TesterOnly the above package content, other are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.