ZPCT1806B Outlet Socket Tester Detector Circuit Polarity Voltage Plug Breaker EU Ground Zero Line Switch Safety ElectroscopeFeatures:1 Good Performance:Designed for easy testing of 220V-230V sockets, simple and intuitive testing, clear display socket line status 2 Power-off Switch:When the trip protection button is pressed, the circuit does not jump off, indicating that the line is out of order, the instrument itself is automatically protected, will not be damaged, providing personal safety 3 Easy to Use:Detect whether neutral, live and earth wire is connected correctly and to indicate which wire is missing with clear light patterns 4 3 LED Light Patterns:With 3 easy to read indicators to indicate the state of the socket, easy to judge: Correct, Missing Earth, Live Earth Reverse, Live Neutral Reverse, Missing Neutral 5 Usage:Polarity test of power supply, leakage detection, live detection of ground wire Descriptions:1 Mini portable design, easy to carry and simple to use 2 RCD test, can detect the wiring status of the socket quickly and accurately 3 Widely used in the school, laboratory, factory and other social fields Specifications:Name:Socket DetectorModel:ZPCT1806BPlug:EUOpe