US Patent 10048653 Wall mounted programmable timer system

A timing device is disclosed which is for controlling electronic devices and which is mounted in a wall switch box. This timing device comprises at least one controller, at least one transceiver in communication with the controller, at least one interface; and at least one cover plate. This device can also include at least one key coupled to the cover plates for interacting with the interface when said cover plate is inserted onto said at least one interface.