Features: Product Specifications : Industrial grade 8 channel digital in/output controller module with dimensions 145x90mm, supporting 7~36V wide voltages and power over ethernet power supply. Features 8DI+8DO channels with optocoupler isolation,RTU and MQTT protocoled compatibility, and double Ethernet ports for stable data transmission. Wide Compatibility : Works seamlessly with PLCs, SCADA systems, and cloud platforms. Supports both passive/active switches input and can directly drive relays/solenoids (500mA sink current), ideal for automation and IoTs applications. Built with industrial grade components, TVS tubes, and recovery fuses. PCB design ensuring reliabled performances in harsh environments ( 20℃~60℃). Easy Installation : DIN rails mounted enclosure enables quick setup in control cabinets. Clear LEDs display in/output operations, while preloaded MQTT routines simplify cloud integration. Durability and Safe : Flame retardant housing withstands high temperature/dust conditions. Input debounce algorithm and output flashes/open functions enhancing safety, perfect for smart buildings/factory automation. Specifications: Component: pc+pcb Size: 145x90mm/5.71x3.54in Power consumption: 7V ~ 36V Suitable for equipment control, Internet of Things applications and other fields Applicable products: Supports passive input/active input, adopts heat block power access Package Includes: 1PC power over ethernet ETH in/output Controller Module 8CH note: Please allow 1-2cm errors due to manual measurement. Pictures may not reflect actual color due to different monitors.