Description <br> 1.Voltage measurement,High quality automotive test pens are suitable for automotive maintenance electric pen voltage measurement tools. <br> 2. With voltage display. Display voltage detection accuracy. <br> 3. Differentiating the anode and cathode,It can distinguish between positive and negative anodes. <br> 4. The pure copper probe has good conductivity and rust prevention. <br> 5. High quality,The TPU spring wire is elastic. The alligator clip is made of copper. <br> colour:Black + red <br> Material:Copper + plastic <br> size:22.7*10.6*3.0 cm <br> Package Contents: <br> 1 * car voltage detector test pen <br> Only the above package content, other are not included. <br> Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. <br>