and high quality It is flexible and does not deform . It is easy to operate with the pen shape. Digital display allows you to see the more clearly. Needle test head can be conveniently connected to the clamp. Designed to detect low- circuit faults in transportation machinery. Indicator design is helpful to detect the positive and negative poles of the battery or circuit. Support short-circuit and open-circuit test, ignition system test,engine performance test, charging system test, automobile battery performance test, circuit polarity discrimination test. It can be used for , motorcycles, bulldozers, rollers, excavators and other transport maintenance operations. test range: 2.5-32V Display: Digital LCD Screen Colour:As Shown Material:ABS Package Contents: 1 x Auto repair test pen Only the above package content, other products 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.