Description Type: Socket TesterMaterial: ABSquantity: 1Color: BlackBattery: 2 AAA 1.5V batteries (not included)RCD current: greater than 30mA / greater than 5mARated voltage: 0.1 V - 250 V / 40 - 1 kHzSocket: EU/USSize: 64.5*64.5*58.2mm/2.53*2.53*2.29inNet weight: 140gPackage: 1 * Socket TesterDigital display: high-definition display, the screen value can be seen clearly in the dark environment, easy to read, very convenient.Safety : One click to instantly know the safety of the circuit, whether there is a risk of leakage, avoid electric shock and ensure your safety.Leakage protection: if the test switch of the leakage switch is pressed and there is no tripping or power failure, there is no leakage protection, otherwise there is leakage protection.Multifunctional: not only suitable for simple non-contact voltage detection, but also for complex circuit detection.Scope of application: It can meet most electrical test requirements and is ideal for household circuit safety testing, as well as schools, factories, offices and other places.