1. Real-Time Grid Import & Export Monitoring: Monitor energy imported from and exported to the grid in real time, ideal for solar PV and self-consumption systems. 2. Solar Production & Energy Flow Visualization: Track solar generation, household consumption and energy flow clearly in one bi-directional meter. 3. Essential Home Energy Tracking: View real-time and historical energy usage to understand daily, monthly and long-term consumption trends. 4. Accurate Bi-Directional Measurement: Single-phase bi-directional meter measures both grid-to-home and home-to-grid energy with one device. 5. Open & Local Integration Ready: Open API and Modbus TCP/RTU support for seamless integration with Home Assistant, Node-RED, openHAB, ioBroker and other automation platforms., Manufacturer: Beijing Lewei IOT Technologies Co. Ltd.