Introducing the Comelit 909038126 PAC 2-Door Access Control Expansion Kit, designed to enhance your security system effortlessly. This comprehensive kit includes the advanced PAC 512 DC Access Controller and PAC OneProx GS3 LF Mullion Readers, ensuring reliable access management for two doors. Perfect for both residential and commercial applications, this expansion kit is easy to install and integrates seamlessly with your existing setup. Elevate your security measures with this robust solution that prioritizes safety and convenience. Don't miss out on the opportunity to upgrade your access control system—order yours today!