Feature: 1. LCD Digital Display: Our socket tester has LCD digital display, the voltage is easy to read, the voltage is too high or too low will affect the service life of appliances, the common safety voltage is 198-242V. 2. Operation Process: In the case of correct wiring, press the socket tester leakage test. If it trips, the leakage protection is normal. If it does not trip, please contact a professional to have the line serviced. 3. Smart Chip: Phase detector outlet tester for quick detection, smart chip, common type socket or high power socket are applicable, pull out the pin rotation can switch 10A or 16A. 4. Clear Interface: The socket tester detects the socket line according to the red light that lights up against the table to detect the socket, clear interface at a glance. 5. Small and Portable: Neutral ground polarity socket tester is small and portable, easy to store, for travel, maintenance, acceptance room brings more convenience. Specification: Item Type: Electrical Leakage Socket Tester Material: ABS Color: White RCD Current: RCD30mA Applicable Socket: 10A or 16A convertible universal Applicable Crowd: Household, electrician, home inspection people, etc.. Package List: 1 x LCD Outlet Tester