ANENG AC10+ Socket Tester Plug Detector Zero Fire Line Polarity Phase Check Phase Detector US/EU Plug Multimeter Digital Tester Features: ANENG AC10+ socket tester are mainly used to detect polarity of power socket and safety of leakage switch. It can quickly and accurately detect the wiring of the socket.Simuitaneously, it can test the socket voltage and show on the LED screen. Specifications: Brand ANENG Model AC10+ Voice Broadcast socket tester AC10+ EU Plug AC10+ US Plug Work voltage 2.6~3.3V 2.6~3.3V Test voltage range 90V~250V/50~60Hz 90V~130V/50~60Hz Work temperature 0 C~40 C 0 C~40 C Work humidity 20%~75%RH 20%~75%RH Stock temperature -10C~50 C -10C~50 C Stock humidity 20%~80%RH 20%~80%RH RCD current >30mA >6mA RCD work voltage 220V20V 110V20V Battery 2*AAA Battery Does the package contain batteries without batteries Package List: 1 * AC10+ Socket Tester( without batteries ) 1 * User Manual 1 * Packing Box