1、The unique long‑life light tube, not produce heat, comfort and safety. 2、Innovative flexible wire lead has good tensile strength. 3、Small volume, compact structure, equipped with a clip, convenient to carry and use. 4、This car test pen is made of high‑quality materials, with high strength and good wear resistance. 5、With high sensitivity contact, good performance. Specifications: Material: Copper Color: Gold Size: 107 x 10mm Features: The unique long‑life light tube, not produce heat, comfort and safety.Innovative flexible wire lead has good tensile strength.Small volume, compact structure, equipped with a clip, convenient to carry and use.This car test pen is made of high‑quality materials, with high strength and good wear resistance.With high sensitivity contact, good performance. Note: 1. Please use this test pencil inside the range of test. tube to be different, this is the normal phenomenon. 3. The test pencil acute, please use caution, and place far away from children. Package include: 1 x Tester 1 x Cable (with crocodile clip)