Feature: 1. Multifunctional: The power meter plug monitors the power, energy, volts, amps, Hz, power factor, cumulative date and time of the appliance. 2. Large Display Screen: The power meter plug has a 2.36 x 1.85in display with a clear display blue backlight for reading and recording data at any angle. 3. Overload Protection: When the appliance power exceeds the overload power, the LCD will display the overload to warn the user and all buttons will stop working and will only work when the load power is reduced or removed. 4. Automatic Saving: When you remove the power meter from the outlet or remove the appliance from the power monitor, the power meter will record your power consumption data and automatically save the data when there is a sudden power failure. 5. Ideal Choice: Our power meter power analyzers are ideal for monitoring power usage of household appliances, controlling power consumption and saving money. Specification: Item Type: Electricity Usage Monitor Material: ABS Power Supply: Built in button battery Capacity 20mah (built in) Operating Voltage: 230V AC Wide Voltage Range: 230-250V Plug Specifications: EU plug 230V Operating Current: 16A Wattage Display Range: 0-3680W Current Display Range: 0.0-16.0A Price Display Range: 0€/kWh - 99.99€/kWh Total kWh and Cost Display Range: 0.000 kWh - 9999 kWh, 0.00€ - 9999€. Package List: 1 x Electricity Usage Monitor