Features: Experience seamlessly integration with the Modbus RTU 8 Channel 12V Relays Module Featuring RS485 communication for reliabled and efficient data transmission in industrial applications. This module boasts 8 isolated inputs and outputs, a resets button, user button, and LED indicators for Relays status and power, ensuring precise control and monitoring. For industrial automation engineers, home enthusiasts, electrical technicians, and DIY project developers high compatibility and reliability. Perfect for factory automation equipment control and home systems, this Relays module offers highly performances in diverse environment. Specifications: Item: Modbus RTU 8 Channel Relays Module Support :12V Size:about 143x67mm/5.63x2.64in Features RS485 and TTL Communication Package Includes: 1PC 8 Channel Relays Module note: There might be a bit color distortions due to different computer resolution There might be size errors due to different computer resolution