Note: This item comes with EU plug, please confirm the voltage of your area before purchasing.DescriptionThis product is a receptacle tester, made of solid materials, safe and durable. It can serve you for a long time without being easily damaged. The product is an excellent receptacle tester that can bring you more convenience, allowing you to have a more comfortable experience.Features-Color:Black -Material:ABS -Size:5.60X5.60X4.40cm/2.20X2.20X1.73in Applicable socket: 10A/16A Voltage: 250V 50Hz/60Hz Residual current device current: 30mA - Compact size, portable design, one key to test leakage, easy to use, just plug and play. - LED indicator lights to show if the socket circuit is normal, safe and reliable to use. - Rotate the pin to switch between 16A and 10A, can be used in common socket and high-power socket. - Widely used in voltage measurement, leakage trip detection and socket polarity detection. - Characterized by a sturdy and reliable texture, not easy to break, serving you for a long time.