The Hikvision DS-PM501R4 Bus Relay Expander is an advanced solution designed to enhance your security system's functionality. This product features 4 relay outputs, allowing for flexible control of various devices and systems. With its robust design, it ensures reliable performance in a variety of applications, making it an ideal choice for both residential and commercial settings.


One of the standout features of the DS-PM501R4 is its built-in bus extender, which significantly increases the bus range. This technology allows for seamless integration and communication between devices, ensuring that your security system operates efficiently over larger distances. Manufactured by Hikvision, a leader in the security industry, this relay expander exemplifies quality and innovation.