DM10 is a Single-Door Extension Panel offering excellent security services and assists access control devices that can connect and communicate via RS485, such as F19 and C2-260 for enhanced access control functions. While access control devices facilitate user-authentication and process data, DM10 provides assistance in controlling locks and other accessories. Features:Compact Design Supports RS485 Communication Controls Additional Accessories Supports 2 Wiegand ReadersEasy Installation