Features: Supports Google and Alexa voice control Supports cloud-based scheduling (does not support local scheduling) Clamp ring supports bidirectional measurement (power consumption and power generation) View energy data by hour, day, and month with option to compare consumed and generated energy Displays real-time data including current, active power, voltage, frequency, and power factor 10A dry node output with app-controlled switch Overcurrent and overvoltage protection (thresholds can be set via app; settings saved during power loss) Supports Tuya automation and Tuya low-carbon energy-saving mode KWh power monitor for electricity statistics Operating voltage: 90-250V Model: PC311-R Supports OTA updates Clamp ring supports up to 80A Material: Plastic Color: White Package Contents: 1 x Tuya Smart Energy Meter 1 x CT Transformer Note: Light reflection and different displays may cause slight color variations between the image and the actual item. Measurement error allowance is +/- 1-3cm.