Dual Addressing Feature:Dual Addressing via hardware dial or software config allows for flexible network adaptation. Multi-Interface Support:Seamless integration with TTL UART, RS485, and Modbus RTU protocols for diverse application scenarios. Accuracy Class 1.0:Achieve precise measurements with Accuracy Class 1.0, ensuring reliable data for critical power analysis. Output Resolution:1000 imp/kWh Pulse Output with 10ms open-drain enables accurate energy tracking for billing purposes. Extreme Temperature Range:Operates reliably from -20C to 60C, making it suitable for diverse industrial environments. Color: As Shown Material: Plastic+Metal Package Contents: 1 x Three-phase AC voltage and current meter power acquisition 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.