The LiftMaster CPS3 option card with CPSU photo eyes is designed for commercial door applications that require two sets of monitored photo eyes. The system provides continuous self-monitoring and supports timer-to-close functionality for added convenience and safety. Built with industrial code technology, it is designed for dependable performance in demanding commercial environments. Durable steel mounting brackets are included and allow the photo eyes to be installed on either the floor or track, providing flexible installation options.