Copper ProbeThis multimeter pen uses a copper probe, which is not easy to break, has firm contact, fast measurement response time, and stable measurement. The protective cover outside the probe will protect it from dust and oxidation.High-Quality Silicone WireThe extension test wire is made of double-layer insulated flexible material. This material can ensure that the test lead is durable, flexible, and has characteristics such as frost resistance and heat resistance.Slim-Pointed Watch NeedleThe watch needle is thin and sharp, accurate, and resistant to oxidation, which is especially suitable for measuring circuits with narrow and precise measuring spaces.Slip-Resistant Silicone HandleThe main body of this multimeter pen is made of insulating silicone material. The non-slip design does not hurt your hands, does not harden in winter, and is soft and comfortable to hold.Delivery Quantity: 1pc,Package Contents: Only the above package contents, excluding other products.Size: The length of the pen rod is about 15.5cm, the effective probe is about 2cm, and the total length is 110cm(Reminder: The size is measured manually, please allow 1-2 cm measurement error)Color: as pictured(Due to different monitors and lighting effects, the actual color of the item may be slightly different from the color shown on the picture.)