Features: Brand new and high quality Manage multiple devices with the DC12V 24V 8 Isolated Input & 8 Output DIN35 Rail Box UART RS485 Module Modbus RTU Control Board. This module provides secure and efficient communication between your devices, ensuring smooth operation. Perfect for DIY enthusiasts, engineers, and automation enthusiasts, this module is suitable for wide of projects and applications. From controlling home devices to managing CCTV cameras, this module offer flexibility and functionality. Experience device management with the DC12V 24V 8 Isolated Input & 8 Output DIN35 Rail Box UART RS485 Module Modbus RTU Control Board. Specifications: Style: 12V, 24V(optional) Note: Please allow 0-1cm error due to manual measurement. please make sure you not mind before bid. Due to the differences between different monitors, the picture may not reflect the actual color. Thank you. Package includes: 1PC 8 in 8 out RS485 Relays Module