Are you looking for a sturdy yet reliable test pen for automotive voltage test? Our item will be your good choice. craftsmanship enables it to work efficiently for you and is more practical. This test pen can be used to test continuity, test the polarity of a voltage, etc. Features -Color:Black -Material:ABS -Size: 15.50X3.00X1.50cm/6.09X1.18X0.59in -Scope of application: DC5-36V -Using copper probe, good conductivity, not easy to rust, accurate measurement, reliable and durable. -The voltage display is uninterrupted, and the voltage index is updated in real time, which convenient to use. -Even people without any experience can easily get started and test the voltage easily. It makes your work handy. -The cable length is extendable spring cable, which allows any electrical system easily. -Widely used to test the polarity of a voltage, test continuity, check lamp, check electric motor, follow and locate short circuits. Package list: 1 x Automotive Tester Pen