Electrical Testing Tools features: Smart Socket Tester Household Electricity Safety Testing Circuit Polarity Detector Wall Plug Breaker Finder Digital Socket Outlet Tester Leakage Test for Home Appliance Testing Color: we send based on the color or size of the main image of the product page. Quantity：we send based on quantity on title, if there is no quantity in the title, we send based on description. 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'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: ABS Working Voltage: 90~250V, 45~65Hz Measuring Voltage Range: 90~260V, 45~65Hz Accuracy: ±(2.0%+3) RCD Current: >30mA(EU/UK), >5mA(US) RCD Work V: 220V±20V Working Temperature: 0~40℃ Working Humidity: 20%~75%RH Storage Temperature: -10~50℃ Storage Humidity: 20%~80%RH Altitude: ≤2000 meters Package Size: 8.6 * 7.7 * 7.7cm / 3.39 * 3.03 * 3.03in EU Plug: Item Size: 62.8 * 62.8 * 74mm / 2.47 * 2.47 * 2.91in Item Weight: 65.5g / 2.31oz Package Weight: 102g / 3.60oz US Plug: Item Size: 62.8 * 62.8 * 56.5mm / 2.47 * 2.47 * 2.22in Item Weight: 54g / 1.90oz Package Weight: 90g / 3.17oz UK Plug: Item Size: 62.8 * 62.8 * 55.6mm / 2.47 * 2.47 * 2.19in Item Weight: 65g / 2.29oz Package Weight: 101g / 3.56oz Packing List: 1 * Electric Socket Tester