... voltage CE, RoHS, FCC approvals High Accuracy Single Phase Digital Display Smart Energy Meter, AU Plug Functions:1. Measure real-time voltage ... ;2. Measure real-time operation power of the appliances;3. Show th power consumption;4. Calculate the cost of ... time of appliances.Parameters: Product Name energy meter, power meter, volt meter, watt meter, kWh meter Brand Name POLINOVEL Model Number SPM-002A ...