1、Multi‑function socket tester, mainly used for the safety test of sockets in residential, office, commercial buildings and other places. 2、It is an excellent tool for safety inspection and acceptance inspection, with stable performance and rapid detection of circuit safety. 3、With voltage indication function, you only need to insert the tester to voltage of the circuit under test, which is easy to operate. 4、The socket checker, with LED display, can see the test problems at a glance, effectively guaranteeing the safety of electricity use. 5、With leakage protection switch test function, the maximum measured voltage value is AC250V, suitable for electric power numerical test. Item Type: Socket Outlet Tester Material: ABS Model: ST02 Purpose: Electricity Testing Display: LED Pollution Degree: 2 Working Temperature: 0-40℃ Altitude: <2000 Meters Working Humidity: <80% RH GFC/RCD Current Value:> 30mA Safety Level: EN61010-1 12-030 EN61326-1 1 x Socket Outlet Tester 1 x Manual