XIANQI Power Metering Socket, Energy Monitor with Backlight LCD Display Electricity Usage Power Consumption Monitor Socket with 7 Monitoring Modes Overload Protection7 Monitoring Modes: There are 7 monitoring modes in total, this outlet power meter supports monitoring time, power, cost, cumulative power consumption, voltage, frequency, current, power factor, minimum power, maximum power and electricity price. Just connect your electrical equipment to this power consumption meter. Electricity meters help you understand the electricity bills of your home appliances by monitoring and recording the electricity consumption and electricity bills of connected devices.Backlight function: Electric meters with large LCD display are easy to read from a distance. Compared with other meter sockets, it is smaller and saves more space.Memory function: Built-in buffer battery, this power meter can store data even in the case of power failure. Press any key to wake up the backlight for 10 seconds to view data in the dark.Overload warning: When it is detected that the current load of the connected device exceeds 3680W, the LCD screen keeps flashing "overload" to remind the user to protect the connected device and the ammeter socket itself from damage.Easy to use: Just press the "FVNC" button on the electricity meter to select the monitoring mode, the "COST" button to adjust the unit electricity price, and the "UP" and "DOWN" buttons to adjust the price. "Reset" button removes all settings, suitable for seniors and boys.color: blueDelivery Quantity: 1 Piece