Kobalt Digital 30-250V Specialty Meter

Advanced socket tester for rapidly detecting whether the socket's wire connection is correct or not. Design with GFCI Test Button - Power outlet socket for correct wiring and GFCI trip function. It can test the protection system to ensure the household electrical safety. Perfect for protect your security against the risk of electric shock. ?Bright Led Display - Light patterns are well labeled on the back of the device itself. The Red LED indicators can be light up clearly. The tester incorporates a built-in light so it can also be used in the dark, making you read it fast.?7 LED Light Patterns - With 7 easy to read indicators to indicate the state of the socket, easy to judge: Correct, Open Ground, Open Neutral, Live/Neutral Reverse,Live/Ground Reverse, Missing GND,live and GND Reverse?Portable design - compact size, light weight and convenient to use. With voltage backlight LCD display for testing voltage.