1. Versatile Connectivity: The SMC76 Video Conference System Control Keyboard features various ports including a DC12V power adapter port, USB port, and Matrix/DVR or NVR connection options. This allows for seamless integration with multiple devices and systems. 2. Enhanced Control Capability: With its VISCA Protocol support, this control keyboard provides advanced control functions for your video conference system. Effortlessly navigate through different and easily adjust camera angles, zoom levels, and other important parameters. 3. Convenient Power Options: The included DC12V power adapter ensures that the control keyboard remains powered at all times, guaranteeing uninterrupted operation during critical video conferences. No need to worry about battery life or constant recharging. 4. Streamlined Connectivity: Equipped with an RS485/RS232 dual port, you have the flexibility to choose the most suitable connection method for your specific setup. Seamlessly integrate the control keyboard into your existing infrastructure with ease. 5. Intuitive Design: Designed for user convenience, this control keyboard features a user-friendly layout and ergonomic design. The strategically placed buttons and controls allow for efficient and intuitive operation, ensuring smooth control over your video conference system., Manufacturer: MERHOVO