Features: 1. 7 monitoring modes: Total of 7 monitoring modes, this outlet electricity meter supports monitoring of time, power, cost, cumulative power consumption, voltage, frequency, current, power factor, minimum power, maximum power, and electricity price. 2. Real-time monitoring: Simply connect your electrical appliances to this power consumption meter. The meter helps you understand your electricity bills for household appliances by monitoring and recording power usage and electricity costs of connected devices. 3. Background lighting and memory function: Built-in buffer battery, this meter can store data when power is disconnected. Press any button to activate background lighting for 10 seconds to display data in the dark. 4. Overload warning: When the current load on the connected device exceeds 3680W, the LCD screen continuously blinks to indicate overload, reminding the user and protecting the connected device and the meter itself from damage. 5. Easy to use: Simply press FVNC. The button on the energy cost table selects the monitoring mode, the COST button adjusts the electricity price per unit, and the UP and DOWN buttons adjust the price. The reset button removes all settings, suitable for seniors and children. Specifications: Color: White Measurement current accuracy: +/-2% Measurement power accuracy: +/-2% Battery: 3.6V NI-MH, rechargeable battery Power: 230V AC 50Hz Maximum load: 16A, 3680W Current: 0.0A - 16.0A Product size: 12.7 x 6 x 7.33cm Product weight: 193.2g Optional: Background lighting, Standard packaging Includes: 1 x Outlet electricity meter