Features: Smart WiFi Switch: This doodle WiFi smart switch Features a modular design with a long lifespan and fast remote switching. It"s suitable for AC 50/60HZ, rated voltage 220/230V, and rated current 63A lines. It can be used for switching, breaking, timing, distributing power, and checking electrical safety. Overvoltage and Undervoltage Protection: The switch provides protection for lines and electrical equipment in cases of overvoltage, undervoltage, and overload. It automatically trips in case of overvoltage or undervoltage faults. The overvoltage and undervoltage thresholds can be set, enabled, and disabled. Remote Control: The switch supports remote control, allowing you to operate the power switch directly on your mobile device. It also allows you to view real-time power consumption data and share it with other users through the sharing function. It can be remotely opened and closed, and up to 30 groups can be set for daily timing switches. Network Communication: The switch supports 485, WiFi, and Zigbee network transmission, enabling remote control on the APP end. It also supports local control with IBCAL opening and closing. Metering Function: The switch Features a metering function that allows real-time monitoring of voltage, current, and power, and measures power consumption. It"s a smart choice for managing your energy usage effectively. Specifications: Leakage Protection: 1~100mA adjustable Rated Current: 0-50A, 63A, adjustable from 0 to 63A Rated Voltage: 220/230 volts Communication Method: Supports WiFi/Zigbee/485 APP: Tuya Breaking Current: lcs=lcu less than 2000A Overcurrent Threshold: 1-63A Overvoltage and Undervoltage: 90~300 volts Measurement Accuracy: 2.0 level Environmental Temperature: -40 degrees C~70 degrees C Relative Humidity: less than 95% Mechanical Life: 100000 times Inspection Method: Manual and automatic comprehensive control Color: Black, White (optional) Note: Due to the different display screen and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Packing List: 1 x Smart On-off Device 1 x Instructions