Welcome to our store! Multiple data detection monitoringVoltage (v), current (A), power (w), energy (kWh) monitoring ), frequency (Hz), power factor, maximum power, maximum currentYou can view historical data by day, week or month Data retention:Do not Don't worry about data loss due to sudden power failure. If the power is suddenly interrupted, the last data will be saved automatically. Overload warning: The default value is 3680W/16A, when the actual power exceeds this value, OVERLOAD flashes. When the overload alarm power is displayed, press the [Energy] key for 3 seconds to set the overload alarm value. Dual Tariffs:Dual tariffs Power Meter Socket are generally used in billing areas with different billing rates. You can set two tariffs at the same time to calculate and compare electricity costs at different times. This allows you to more accurately track the cost of household appliances. Energy Saving: This electric meter can help you monitor your power, save unnecessary expenses. Reduce electricity waste with the real-time electricity meter. You will know the energy cost of your household appliances. Delivery quantity: 1 piece(s) Product color: White Product size: 14*3.5*6.8cm Note: Manual measurement, please allow 1 - 3cm error!!! 100% satisfaction - Our customers are our priority . If you find any problems with the products after receiving the goods, such as damage and incorrect quantity, please contact us immediately. We do our best to provide you with satisfactory after-sales service.