DROK Electric Voltage Testers 3pcs, AC 80-300V LCD Display Flat Plug Voltmeter Electrical Outlet Tester Plug in Digital Voltage Meter

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Overview Brand : DROK Power Source : Corded Electric Style : Digital Color : Blue Min. Operating Voltage : 80 Volts (AC) About this item WIDE MEASURING RANGE - DROK plug in electri c outlet tester measures AC voltage in the range of 80V-300V, with a low consumption of less than 1W (about every 1200 hours consume 1 kilowatt-hour). ADJUSTABLE POTENTIOMETER - An internal potentiometer allows for accuracy adjustment. To access it, use a small screwdriver to open the outer casing and then make adjustments. Turn the potentiometer counterclockwise if the voltage reading is too high, or clockwise if it's too low. FLAT PLUG - Designed as a flat plug, DROK volt tester can immediately detect and measure the current voltage by connecting to the switch plug or other kind of wall socket, simple and easy to use, it allows you to check on power health of devices for preventing the low voltage damage to your valuable household appliances. LCD DISPLAY - Built in Premium LCD digital display with blue backlight, DROK digital volt meter is convenient for you to view the data on it even in dim night. Moreover, it can be used as a voltage meter as well as a night light. WIDE APPLICATIONS - It is ideally applicable to measuring the AC voltage in family, office space, industrial and mining enterprises, etc. (Please keep the children away from the product & do not use the product in a damp environment.) Show more