Crestron MC4-R 4-Series Crestron Home Processor, a top-of-the-line device that combines advanced technology with seamless integration into your home. Whether you're a tech enthusiast or simply looking for a reliable smart home solution, this processor is the perfect fit.With its sleek design and powerful capabilities, the Crestron MC4R is a must-have for any homeowner. It boasts a brand new construction and is guaranteed to be in perfect working condition, ensuring that you get the most out of your investment.