PCM-340 Socket Tester Receptacle Detector with Red Light Test Result Indicator Outlet Tester for GFCI / Standard 3-Wire 120V Receptacles CO2 Controller Microphone: High sensitivity 1/2-inch condenser

Microphone: High sensitivity 1/2-inch condenser microphone

Wi-Fi router and Bluetooth RF radiation detection

Built-in self-timer (30

Sensor automatically switch off when not in water

PCM-340 Socket Tester Receptacle Detector with Red Light Test Result Indicator Outlet Tester for GFCI / Standard 3-Wire 120V Receptacles CO2 Controller Microphone: High sensitivity 1/2-inch condenserSocket tester pro, is a user friendly handheld tools for professionals and non professional. Use to test the most six common wiring errors in standard electrical outlets and GFCI receptacles. An ideal tool for household safety and also applicable in other different industry. Features: LED red light test result indicator Clear test result reference table Handheld pocket size tester LCD with backlight Function: Three hole socket line sequence detection