Welcome to the store! Multifunction: 230V AC 50Hz - Max Current: 16 Amps - Max Power: 3200W - Power Supply: 2 LR44 batteries - Transient Overvoltage: CATII - Relative Humidity: Up to 30°C: max 80% / 30-40°C: max 50% - Altitude: Up to 2000m - Measurement Accuracy: ±2% Energy Saving: The power outlet meter supports monitoring multiple parameters including time, power, cost, cumulative energy consumption, voltage, frequency, current, power factor, minimum power, maximum power, and electricity price. Overload Warning: The electricity meter allows for accurate measurement of electricity consumption in your home. When the power of the connected devices exceeds 3200W or 16A, the electricity meter's LCD will display OVERLOAD. Display and Controls: Time/Energy/Cost display and Reset/Up/Cost buttons, Energy&Set - The display shows: V (electrical voltage), A (current), Hz (frequency), Power Factor, Overload + W (overload limit in W), W (power) + kWh, Cost + kWh + Day + Kg CO² + Cost - Temperature: 5°C to 40°C Real-time Monitoring: The energy cost meter is made of high-quality ABS material; simply connect your electronic devices to this electricity meter. The power meter will begin monitoring and recording the power consumption and cost of the connected device, helping you save energy and money.