Perfect for practical home use when checking holiday lights Made of high quality material, durable practical to use Easy to use It checks the products, electronic leakage broken line Light weight easy to carry Voltage detection: 1. The final digits are voltage value. 2. It will indicate lower value if it does not reach 70% high value display value. 3. Please touch the negative pole when testing DC voltage. 4. The inductor can be used when testing the element below 12V. 5. It be connected to ground or zero when testing the element with induction. Sensor detection: When you detect line side by side, please increase the space between lines or hold the detected element. Pause detection: Move along phase, when there is nothing show in the display freeze, this is the breakpoint. Test range: 12 ~ 250V Material: plastic + metal Color: yellow + green pictures show Size: 26*143.5mm Package including 1 * Electric test pen (battery not included)