Aobao Plug in Volt Meter, 4pcs Flat US Plug AC 80-300V LCD Digital Voltmeter Voltage Test Monitor, AC 110V 220V Voltage Panel Power Line Volt Test Gauge for RV
- ...n in night, this test can immediately detect and measure the current voltage by connecting to the switch plug or the other kind of wall socket, it allows you to check on power health of devices for preventing the low voltage damage to your household appliances.
- ?Adjustable Potentiometer?There’s an interior potentiometer for accuracy adjustment. Just use screwdriver to open the outer case and adjust the potentiometer with small size screw driver. Adjust the potentiometer counter-clockwise when it’s excessive voltage.
- if the displayed voltage is too low, adjust the potentiometer clockwise..
- ?Versatile Feature?Designed as a flat plug, the volt meter is for more than just measuring voltage. It can be also used as a voltage meter as well as a night light. It is ideally applicable to measuring the AC voltage in family, office space, industrial and mining enterprises, etc..
- ?Package Includes?4pcs voltage test meters. (Please keep the kids away from the product, do not use the product in a damp environment.).