Details: The product is shipped based on the color or size of the main image of the product page.The smart socket tester is mainly used for polarity detection of power socket wiring and safety detection of leakage switch.Features:Smart Socket Tester: for detecting the wiring situation of the socket to ensure the safety of household electricity.Easy to Use: one-key immediate detection of the safety of the current circuit, plug and play.Digital LCD Display with Indicator Light: the tested result directly display on the LCD screen clearly for easily viewing, don 39;t need to judge by yourself.AC Voltage Measurement: can measure whether the AC voltage of the current measuring socket is stable and normal.RCD Leakage Detection: plug the tester into a properly wired three-hole power socket, and short press the leakage test button.Reliable Quality High Performance: ensures to get the result accurately and quickly.Applications: useful tool for testing the electrical outlets in home, office, school, factory, etc.Specifications:Plug Type: EU / US / UK (Optional)Material: ABSWorking Voltage: 90~250V, 45~65HzMeasuring Voltage Range: 90~260V, 45~65HzAccuracy: (2.0%+3)RCD Current: 30mA(EU/UK), 5mA(US)RCD Work V: 220V20VWorking Temperature: 0~40Working Humidity: 20%~75%RHStorage Temperature: -10~50Storage Humidity: 20%~80%RHAltitude: 2000 metersPackage Size: 8.6 * 7.7 * 7.7cm / 3.39 * 3.03 * 3.03inEU Plug:Item Size: 62.8 * 62.8 * 74mm / 2.47 * 2.47 * 2.91inItem Weight: 65.5g / 2.31ozPackage Weight: 102g / 3.60ozUS Plug:Item Size: 62.8 * 62.8 * 56.5mm / 2.47 * 2.47 * 2.22inItem Weight: 54g / 1.90ozPackage Weight: 90g / 3.17ozUK Plug:Item Size: 62.8 * 62.8 * 55.6mm / 2.47 * 2.47 * 2.19inItem Weight: 65g / 2.29ozPackage Weight: 101g / 3.56ozPacking List:1 * Electric Socket Tester