Non Contact Voltage Tester GFCI Outlet Receptacle Tester Kit Electrical AC Voltage Detector Set for Verifies Voltage Circuit Sensing

Product advantages: 1. With one button controlling, the meter can quickly test socket if connects positive and negative pole as request and whether household power protection systems works well or not to ensure the household electrical safety 2. RCD Test Button/GFCI Test Button : This versatile tester checks ER / US power outlet sockets for correct wiring and trip function for RCD/GFCI. It tests your protection system to ensure the household electrical safety. It is better to protect your security against the risk of electric shock. 3. Includes 7 different patterns for you to read: Correct, Ground Open, Neutral Open, Live/NEU Reverse, Live/GRD Reverse, Live Open, Live Ground Reverse Missing Ground. Provide a clear indication that you can quickly understand and use it. 5. Bright LED Display: Light patterns are well labeled on the back of the device itself. The Green LED indicators can be light up clearly in strong sunlight. The tester incorporates a built-in light so it can also be used in the dark. It can make you read it fast. 6. Wide Application: In accordance with CE, FCC, RoHS safety standard. As a general measurement tool and widely used in the school, laboratory, factory and other social field. It save you a lot of time in diagnosing problems with sockets. 7. With three indicators and detail explanation, it is easy for a newer to use it. Any user can quickly identify which of the wiring conditions is indicated by the 3 LED lights 8. Easy to Carry: Lightweight (1.8 ounces) and handy size(2.0"x2.0"x2.2"), easy to carry and storage.