4pcs Flat US Plug AC 80-300V Voltage Measuring Monitor, LCD Digital Voltmeter, AC 110V 220V Voltage Panel Power Line Volt Test Monitor for Household Plug into Outlet to Measure Voltage

Features

• Measuring Range: AC 80 - 300V (110V, 220V); Measuring Accuracy: +/-1.5%, +/- 2 Word; Consume Power: Less than 1W(About Every 1200 Hours Consume 1 Kowatt-Hour)
• Adjustable: Theres An Interior Potentiometer for Accuracy Adjustment. Just Use Screwdriver to Open the Outer Coving and Adjust the Potentiometer in Counter-Clockwise when its Excessive Voltage, but if Display Voltage is Too Low, Adjust Potentiometer in 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.
• Applications: Applicable to measuring the AC voltage in family, office space, industrial and mining enterprises, etc.