... Sound YH2010 CE Certificate UK Plug,EU Plug Socket Tester,AU,USA Version OEM Socket Tester Plug UK Socket Tester with Buzz ... Sound YH2010 UK Socket Tester with Buzz Sound YH2010 ... reverse, missing neutralExtra specific models for different countries’ plug system:UK(British),EU,USA,AU, Specifications Voltage Range100v-230vLED Indicating ...