7 Monitoring ModesThe energy monitor plug supports the monitoring of several parameters, including voltage, current, cost, frequency, time, cumulative energy consumption and power factor, minimum power, maximum power, electricity price. Overload ProtectionThe electricity usage monitor has an overload warning function of 3680W/16A. When the power meter monitor plug detects that the current load of connected device exceeds 16A or that the power exceeds 3680W, the LCD screen will keep blinking OVERLOAD to remind the user, protect device from damage. Data Memory FunctionThe power meter electricity usage monitor has an built-in backup battery. The data will be saved in case of power failure, so it is not necessary to worry about the loss of data. Press any button for 10 seconds to reactivate backlight, allows you to view the data in the dark. Easy to UseThere are 4 buttons on the energy meter, press the "FUNC" button to select the monitoring mode, the "COST" button to define the unit price of electricity, and the "UP" and " DOWN" button to adjust the price of electricity, "Reset" button to clear all settings and can be used by elders and children. Wide ApplicationBy monitoring energy consumption, it is possible to calculate energy consumption and the cost of all devices, effectively saving electricity and money. Suitable for many devices, such as television, computer, game consoles, printer, oven, toaster, coffee machine, etc. Specification: Product Name: Power Meter Energy Monitor Plug, Electricity Power Consumption Meter with 7 Monitoring Modes, Volt Amp Watt KWh Consumption Monitor Condition: 100% Brand New Material: ABS Color: White Working Voltage: 230V/AC Frequency Display: 50Hz Wide Voltage Range: 230V --- 250V Working Current: Max. 13A Wattage Display (watts): 0W --- 2900W Voltage Display Range: 0V --- 9999V Current display (amps) 0.0A --- 13.0A Frequency Display Range: 0Hz --- 9999Hz Timing Display Range: 0 seconds --- 9999 days Unit Cost Display Range: 0.00/KWh-99.99/KWh Total KWh & Cost Display: 0.000kWh - 9999kWh, 0.00 - 9999 Working Temperature: 0 ~ 40 Measurement Precision: 2% Product Size: 12.7*6*7.33cm Product Weight: 193g/pc Package Includes: 1 Power Meter Energy Monitor Plug 1 Reset Tool 1 User Manual Note: 1.Due to the light and screen setting difference, the item's color may be slightly different from the pictures. 2.Please allow slight dimension difference due to different manual measurement.