Features: The product is a kind of socket tester, which can quickly detect whether the wire connection of the socket is correct. It is used to detect whether the neutral wire, live wire and ground wire are correctly connected and indicate the miing wires. (BG. Dr.er) has RCD test function and is more practical. Several indicator lights indicate the state of the socket, which is easy to judge. Small size and light weight. Specifications: Plug type: US plug / EU plug / UK plug Material: plastic shell Product size: 65 * 61 * 61mm/2.56*2.4*2.4" Purpose: power polarity test, leakage test, whether the ground wire is electrified Notes: 1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! 2. Please allow 1-3cm measuring deviation due to manual measurement. 1 XSocket Tester [relateproductdetail/]