10pcs Voltage Test Monitor, Plug in Digital Volt Meter for RV, AC 80-300V Flat US Plug LCD Display Voltmeter 110V 220V Voltage Measuring Monitor Panel Power Line Volt Tester Gauge (10)

Parameters:Measuring accuracy: +/-1.5%, +/- 2 wordMeasuring range: AC 80-300V (110V, 220V)Consume power: Less than 1W(about every 1200hours consume 1 kilowatt-hour)Plug Style: US PlugNumber of Digits: 3 DigitsPotentiometer adjusting method:Please use the Phillips screwdriver to open the outer case of the voltmeter;then adjust the potentiometer with small size Phillips screwdriver.If the displayed voltage is too high, please adjust potentiometer counter-clockwise;If the displayed voltage is too low, please adjust potentiometer clockwise.Application:The monitor can be widely applied in AC 80-300V mains measurement, such as office, factory, laboratory, household and so on.-You can use this item in RV as a way to view voltage to prevent issues with appliances.-You can use this item to monitor the voltage of other appliances; when this volt gauge displays too high or too low voltage, you can selectively turn off your appliances or equipments so as to prolong the life of your appliances.Notice:Keep the children away from the product.Do NOT use the product in a damp environment.Package Includes:10 x Voltage Test Meter

• 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).
• There’s an Interior Potentiometer inside the meter 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.
• Flat Plug: Designed as a flat plug, this 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, 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.
• 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.)