This professional socket test can be used in your home, office, kitchen, hotel, and other places you like. It can help you check the polarity of socket connections and house wiring, and LED lights will display the results. Give it a try, it won't disappoint you.Small size, easy to carry, can be carried around, and can also quickly check whether the socket wiring is correct.Easy to use: You only need to insert it for inspection, and it also has a one click sensing design that can save you time. 6 different LED light modes indicate different test results, easy to read: correct, open circuit, open circuit neutral, charged/grd reversal, charged/neu reversal, charged/grr reversal, missing ground.Widely applicable: can be used in homes, bathrooms, kitchens, as well as for electrical maintenance testing and safety inspections. The test result display light indicator can intuitively show the test results, and can be used normally even in sunny or dim environments, bringing you a better user experience.Working voltage: 90-250VLeakage voltage: 0-99VRCD test 30mADelivery quantity: 1 piecePackaging content: Only the above packaging content is included, other products are not included.Size: 7.5 * 7.5 * 7.5cm