Wifidin Rail Switch, Model TO-0-SY1. Turn your DIY idea into smart living. Control every corner with just a touch. High-quality construction using premium materials. Features high precision, manganese copper components, flame-retardant housing, high-performance chip module, and long-life motor system. Smart protection with multiple functions. Set switch status for equipment in different scenarios and remotely monitor real-time load conditions of electrical appliances. View 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, timer settings, and automation for a smarter lifestyle. Color: As shown Material: Nylon Size: 82x50x18mm Style: White without metering / Black with metering Package Contents: 1 x WiFi Smart Circuit Breaker Note: Other products are not included. Light reflection and display differences may cause slight color variation between image and actual item. Measurement error allowance: +/- 1-3 cm.