Digital Socket Tester LCD Socket checker Circuit Analyzer Electricity Line Fault Checker Electronic Measuring Instrument Integrated Voltage Detector LCD Outlet Tester is perfect for protect your security against the risk of electric shockWidely used for electric maintenance testing, office sockets testing, power strips testing and wall sockets testingThe Smart LCD Socket checker incorporates a built-in light so it can also be used in the dark, making you read it fastElectric Socket Tester is for rapidly detecting whether the sockets wire connection is correct or notCircuit Analyzer can test the protection system to ensure the household electrical safetyColour: BlackSize: packing 96*71*96mmQuantity: 1pc1.As different measuring methods,it will occur 1-3 cm deviation about the items,please ensure that it is okay for you before ordering.2. Because of different monitors and lamplight, the picture may not reflect the actual color of the item, really thank you for your kind understanding.3. Only the above package contents, excluding other products.