Features: 1. 7 Monitoring Modes: This socket power meter supports monitoring of time, power, accumulated power consumption, voltage, frequency, current, power factor, minimum power, maximum power, and electricity cost. 2. Real-Time Monitoring: Connect your electrical devices to this power consumption meter. The energy meter monitors and records power usage and associated costs, helping you track the energy consumption of household appliances. 3. Backlight and Memory Function: Equipped with a built-in buffer battery, this power meter retains stored data during power outages. Press any button to activate the backlight for 10 seconds, allowing easy viewing in low-light conditions. 4. Overload Warning: When the connected device exceeds 3680W, the LCD screen flashes "Overload" continuously to alert the user, helping protect both the connected device and the meter. 5. Easy to Use: Press the "FVNC" button to switch between monitoring modes, use the "COST" button to set the electricity rate, and adjust the value using the "UP" and "DOWN" buttons. The "Reset" button clears all settings. Designed for simple operation suitable for general users. Specifications: Color: White Current measurement accuracy: +/-2% Power measurement accuracy: +/-2% Battery: 3.6V NI-MH rechargeable battery Power supply: 230V AC 50Hz Maximum load: 16A, 3680W Current range: 0.0A - 16.0A Product dimensions: 12.7 x 6 x 7.33cm Product weight: 193.2g Backlight: Yes Package type: Standard Package included: 1 x Socket Electricity Meter