7 Monitoring ModesThere are 7 monitoring modes of this socket power meter, it supports monitoring time, power, cost, cumulative power consumption, voltage, frequency, current, power factor, minimum power, maximum power and electricity price Real Time MonitoringSimply connect your electrical devices to this power consumption meter. It will monitor and record the power consumption of connected devices and electricity bills, helping you to understand the electricity costs of your household appliances Overload ProtectionWhen the current exceeds 13A or the power exceeds 2900W, the LCD screen will constantly flash "overload" to alert the user and protect the connected device and the ammeter socket itself from damage. When the detected power value is less than 1.0W, it is regarded as local power consumption and no time is accumulated. Ideal for monitoring the energy consumption of household appliances LCD Backlight Display & Memory FunctionA monitoring meter with a large LCD display is easy to read from a distance. Smaller size saves more space than other meter sockets. In addition, it has a built-in buffer battery so that it can store data even in the event of a power failure. Press any key to wake up the backlight for 10 seconds to view the data in the dark Easy to UseSimply press the "FVNC" button on the meter to select the monitoring mode. The "COST" button adjusts the unit price and the "UP" and "DOWN" buttons adjust the price. The "RESET" button removes all settings. Easy to use, even for the elderly Product Description This power meter plug will determine the power consumption of the connected device as well as the cost of electricity used. You can identify which device costs you the most and find a way to low down your consumption and decrease your bills. Key Features: Save money and energy: With this plug, you can learn more about your energy consumption and your device's cost. Compact Size: The compact size makes it convenient to carry and use, even in a narrow place. Specifications: Power Meter Energy Monitor Plug Type: Multi-function power measuring instrument Specification: UK standard Material: ABS plastic Color: White Size: 127 x 6 x 73.3 mm/5 x 0.24 x 2.9 in Measurement current accuracy: 2% Measurement power accuracy: 2% Battery: 3.6V Ni-MH rechargeable battery Power supply: 230V AC 50Hz Voltage: 230V Current: Max 13A Maximum load: 13A, 3680W Power: 0.0W to 2900W Frequency: 50Hz kWh of electricity: 0.000 ~ 9999 KWH Parts List: 1 x Electricity Usage Monitor Note: 1. There may be slight differences between the picture and the actual color of the commodity. We will try our best to show you the exact color. 2. Please allow slight dimension differences due to manual measurement.