Wifidin Rail Switch, Model TO-0-SY1, turns your DIY idea into smart automation, enhancing your life by enabling control from anywhere. High-quality construction using premium materials, high precision, manganese copper contacts, flame-retardant housing, high-performance chip module, and a long-life motor system. Smart protection features with multiple functions, allowing you to set switch status under different scenarios and remotely monitor the real-time status of connected electrical loads. Monitor load current, voltage, and power in real time. Record energy consumption data by year, month, day, and hour across different time periods. Supports advanced smart scenarios with device interlock mode. Connect to monitor usage of all home equipment. Enables remote control, scheduled control, and automation for a smarter living experience. Color: As shown Material: Nylon Size: 82x50x18mm Style: White without metering / Black with metering Package Contents: 1 x Wifi Smart Circuit Breaker Note: Light reflection and different displays may cause slight color variation between the image and the actual item. Measurement error allowed within +/- 1-3cm.