Ct Kwh Meter|Din Rail Power Meter|High Accuracy:Certified 1% accuracy ensures precise power monitoring, ideal for critical applications. Multiple Communication Protocols:Supports Modbus RTU/RS485/UART, enabling seamless integration with various systems. Extensive Measurement Capabilities:Measures 40+ parameters including kWh, PF, and frequency, offering comprehensive power analysis. Global Compatibility:Auto-detects 50Hz/60Hz, suitable for EU/Asia/US grids, enhancing global deployment flexibility. and Versatile:Operates in extreme environments (-20C to 60C), ideal for industrial and solar applications. Color: As Shown Material: Plastic+Metal Package Contents: 1 x PZEM-6L24 Three-Phase AC Energy Meter Module Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.