Product DescriptionAC 110V 220V LCD Digital Voltmeter Volt Monitor Household AC Panel Meter Euro Eu Plug 80-300V Blue Backlight The module designed for measuring the ac voltage by connecting to the switch plug directly or the other kind of switch plug. It is suitable for measuring the AC voltage in many place， such as office， factory， laboratory， household and so on. Feature:Measuring accuracy: ±1.5%， ±2 wordMeasuring range: AC 80-300VConsume power: ≤1W (about every 1200 hours consume 1 kilowatt-hour) Application:The product can show the voltage of power by connecting to the plug of AC 110V/220VIt is important for you to let the children away from the productDon’t use the product in a damp environment Package Includes:1x Digital Voltmeter