1,High Performance Microcontroller: The Ethernet control board adopts STM8S105C6T6 microcontroller, provides powerful computing and control capabilities, ensuring smooth operation for your devices. 2,IP Address Programmable: Supports Ethernet IP address programming, meeting highly customizable network communication needs, and can save data even after power outage without worrying about data loss. 3,Multiple Power Supply Methods: Supports wide voltage power supply from DC 3.3V to 5V, adaptable to various power environments, flexible and convenient. 4,Relay Module Control Capability: Control relay module through Internet or router network to remotely control appliance switches, enabling centralized power management. 5,Wide Application: Suitable for smart management needs in home decoration, hotel accommodation, shopping malls, factories, IoT, testing equipment power control, unattended facilities, and more. Item Type: Ethernet Control Board Material: PCB Ethernet Chip: ENC28J60 MCU: STM8S105C6T6 Functions: IP Address Programmable, Power off saving 1 x Control Board 1 x User Manual Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.