Industrial 8-Channel ESP32-S3 WiFi Relay Module, Xtensa 32-bit LX7 Dual-Core Processor, Onboard Isolated RS485 Interface +8-CH Digital Inputs + 8-CH Relays +PoE Network Port, Supports WiFi/BT

ESP32-S3 Microcontroller: Based on ESP32-S3 microcontroller with Xtensa 32-bit LX7 dual-core processor, capable of running at 240 MHz. Integrated 2.4GH z Wi-Fi and Bluetooth LE dual-mode wireless communication, with superior RF performance.
^^ Network Connection: Supports Wi-Fi & Bluetooth LE.
Ethernet: Onboard W5500 Ethernet chip for extending 10/100Mbps network port through SPI interface. PoE network port version, with built-in PoE module for PoE capability (compliant with IEEE 802.3 af standard) ^^
Relay Control: 8 relay channels.
Contact rating: 10A 250V AC or 10A 30V DC.
Application: Directly controlling 220VAC home appliances, or devices below 30V DC.
Contact form: 1NO 1NC.
^^ Digital Input: 8 Input channels. Supports passive (dry contact) and active (wet contact) digital input, with bi-directional optocoupler isolation. 5V~36V Input voltage. ^^ Extension
Interface & Power Supply: Onboard isolated RS485 interface, for connecting to various RS485 Modbus industrial modules or sensors. Onboard pin header, allowing access to other devices. Onboard USB Type-C port for power supply, firmware downloading and debugging. Onboard power supply screw terminal, supports 7~36V wide voltage input, suitable for industrial applications.
^^ Protection and Isolation: Onboard optocoupler isolation to prevent interference from external high-voltage circuit connected to the relay. Onboard digital isolation to prevent interference from external signal. Onboard unibody power supply