Features: OOTDTY Sockets tester are mainly used to detect polarits of power socker and safety of leakage switches. It can quickly and accurately detect the connection of the sockets at the same timeIncludes 7 different modes for you to readCorrect / Grounds Open / NeutralOpen / Live/NEUReverse /Live/GRDReverse / LiveOpen / Live Ground Reverse Missing Ground. It can intelligently detect the presences of danger voltages. It can test the sockets and display it on the LCDdisplay. The product has Three plug specifications (EU/US), which can meet the requirements of different countries and regions. Small size,easy to carry. Specifications: Material:ABS Type:EU,US Danger warning: Yes. RCDGFCI TestYes. Work voltage2.6~3.3V. Test range90V~250V/50~60Hz(EU),90V~130V/50~60Hz(US) Work temperature0C~40C. work humidity20%~75%RH. Stock temperature -10C~50 C. Stock humidity20%~80%RH. RCDcurrent>30mA(EU),>6mA(US) RCDwork voltage220V20V(EU),110V20V(US) Powered by:2Pcs AAA Battery(not included) Package Includes: 1x Socket Tester Note: Please allow 1mm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item. _x000D_