Features: 1With good performance designed for easy testing of - sockets simple and intuitive testing clear display socket line status. 2When 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 physical safety. 3With 3 easy to read indicators to indicate the state of the socket. 4Easy to judge for correct missing earth live earth reverse live neutral reverse missing neutral. 5Applicable to polarity test of power supply leakage detection live detection of ground wire. 6Mini portable design easy to carry and simple to use. 7RCD test can detect the wiring status of the socket quickly and accurately. 8Widely used in the school laboratory factory and other social fields. Specification: Condition: 100% Brand NewItem Type: Socket TesterMaterial: ABSColor: As shown in the pictureSize: Approx.65x61x57mm / 2.6x2.4x2.2in Weight: Approx.73g/2.6oz.w-e-text table td.w-e-text table th Package List: 1 x Socket Tester Note: 1. Please allow 1-2mm error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.