Wider Application: The outlet power detector can be widely used for electricians' wiring in public places, new home lines, daily household electrical use, etc. Simple Tests: After connecting to the outlet under test, the outlet tester can automatically complete most tests and display the results. Receptacle Tester: The outlet tester can perform outlet connection status tests, voltage tests, leakage protection tests, etc. Clear LCD Display: The circuit analyzer supports two-color backlighting (red and white), and the LCD display will greatly simplify your circuit testing and maintenance. Convenient Carrying: The ground line polarity electrical test socket also comes with a compact size and lightweight, making this outlet tester very convenient to carry for outdoor use.