DSC PC4108 8-Zone Hardwire Zone Expansion ModuleProduct Overview The DSC PC4108 is an 8 zone expansion module designed to enhance your security system by adding eight additional hardwired zones. It includes an auxiliary power supply rated at 250 mA, ensuring reliable performance for connected devices. This compact and efficient module is perfect for upgrading your existing setup with ease. Don't miss the opportunity to expand your security capabilities with this practical and dependable solution.