Features:<br> High-quality materials: The smart electricity test pen is made of high-quality materials, which is not easy to break, wear-resistant and durable, and can be used for a long time.<br> Multifunctional design: The socket circuit analyzer is a two-in-one pocket pen-type smart multimeter and power supply polarity detector with stable performance, high reliability, clear readings and overload protection function.<br> DIGITAL DISPLAY: The socket circuit analyzer features a high-quality digital display that greatly enhances the reading experience even in bright or low light conditions.<br> Portable Design: This outlet circuit analyzer is compact and portable. Its exquisite craftsmanship provides high-precision and high-sensitivity functions. The multifunctional designed voltage tester is easy to use.<br> Safe use: It can promptly remind users to adjust socket failures and safety hazards, repair your protection system, and ensure household electricity safety.<br> Notice:<br> 1.Actual color may be slightly different from the image due to different light effect<br> 2.Please allow 1-3cm deviation due to manual measurement<br> Material: ABS+Metal<br> Size: about 22*5*3cm<br> Test pen tip:voltage ,positive terminal test point<br> With Flashlight,LCD Display<br> A C Voltage,1.5V/9V battery,on/off/electric field measurement<br> Power polarity indicator light<br> Leakage switch test button<br> Package List:<br> 1 x Socket Circuit Analyzer