The DSC RFK5500 Power Series Zoned LCD English Keypad is a wired keypad control unit designed for home security systems. Made by DSC, this keypad is compatible with ADT systems and features a sleek white design. With a model number of PK5501ENG and originating from Canada, this keypad is easy to use and provides an added layer of security for your home. Perfect for those looking to upgrade or enhance their home security system with a reliable and efficient keypad control.