Note: This item comes with US plug, please confirm the voltage of your area before purchasing.DescriptionThis outlet tester is solid and sturdy, which can withstand long-lasting use. Features the ABS material, which has high durability, not easy to deform. Fine workmanship, ensures practicality. This outlet tester will make outlet testing easier and smoother.Features- Color: Black -Material:ABS - Size: 5.60X5.60X4.40cm/2.20X2.20X1.73inApplicable socket: 10A/16A Voltage: 250V 50Hz/60Hz Residual current device current: 30mA - Power outlet test, convenient and quick. No battery required, more convenient to use. - Detect the polarity phase of the power supply to ensure the safety of electrical appliances. - Can be used in voltage measurement, leakage trip detection and socket polarity detection. - LED indicator lights to show if the socket circuit is normal, safe and reliable to use. - Small, lightweight and easy to carry and use. Bring more convenience to travel, maintenance and testing.