AITIAO 3Pcs Voltage Test Monitor,Flat US Plug AC 80-300V LCD Digital Voltmeter Voltage Measuring Monitor,110V 220V Voltage Panel Power Volt Test Meter for Household Plug into Outlet to Measure Voltage

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About This 【Protect Household Appliances】 The voltage Monitor is great for immediate check on power health of devices, It is very helpful for RV and household appliances to monitor AC voltage.this meter shows you the voltage at a glance and help you prevent the low voltage damage to your valuable household appliances, possibly saving some expensive repairs or the accident. 【Wide Measuring Range】AITIAO plug-in voltage monitor measuring voltage range is AC 80-300V(110V, 220V), with a low consumption of less than 1W (about every 1200 hours consume 1 kilowatt-hour).Flat US plug is ideally applicable to measuring the ac voltage in family, office space, industrial and mining enterprises, etc. 【Easy to Use】No buttons to press just plug it in and it instantly displays voltage. Just connecting to the switch plug directly or any other kind of switch plug. 【Adjustable Potentiometer】There’s an Interior Potentiometer inside the voltmeter 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. 【LCD Display】Built in Premium LCD digital display with blue backlight, this voltage monitor 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. Overview Brand : AITIAO Power Source : Corded Electric Style : Digital Color : Blue Min. Operating Voltage : 80 Volts (AC) Show more