A lighting control system comprising • a base module (712, 812) sized and configured for receipt within a one-gang electrical wall box and having a volume corresponding substantially thereto, and • a switch controller (702, 802); characterized in that: the base module (712, 812) comprises: • a well, and • a dimmer circuit connectable to a power source; the switch controller (702, 802) comprises: • a tab configured to engage with a spring loaded mechanical lock positioned in the well of the base module (712, 812), thereby helping to securely keep the switch controller (702, 802) nested in the well of the base module (712, 812), • a module housing, • a switch control circuit positioned in the module housing, and including a processor configured to modulate a flow of electrical energy to a lighting circuit of a light fixture via the dimmer circuit to produce a plurality of lighting scenes, the light fixture connectable to the base module; • a graphical user interface coupled to the module housing and communicably coupled to the switch control circuit; and • a first electrical connector electrically connected to the switch control circuit, the first electrical connector including at least one pair of connectors comprising electrical contacts respectively positioned at a top surface and a bottom surface of the module housing, the electrical contacts extending from and recessed in the respective surfaces of the module housing, wherein the first electrical connector is configured for a press fit engagement with a second electrical connector of the base module (712, 812), thereby providing an electrical connection between the switch controller (702, 802) and the base module (712, 812). • a base module (712, 812) sized and configured for receipt within a one-gang electrical wall box and having a volume corresponding substantially thereto, and • a switch controller (702, 802); the base module (712, 812) comprises: • a well, and • a dimmer circuit connectable to a power source; • a well, and • a dimmer circuit connectable to a power source; the switch controller (702, 802) comprises: • a tab configured to engage with a spring loaded mechanical lock positioned in the well of the base module (712, 812), thereby helping to securely keep the switch controller (702, 802) nested in the well of the base module (712, 812), • a module housing, • a switch control circuit positioned in the module housing, and including a processor configured to modulate a flow of electrical energy to a lighting circuit of a light fixture via the dimmer circuit to produce a plurality of lighting scenes, the light fixture connectable to the base module; • a graphical user interface coupled to the module housing and communicably coupled to the switch control circuit; and • a first electrical connector electrically connected to the switch control circuit, the first electrical connector including at least one pair of connectors comprising electrical contacts respectively positioned at a top surface and a bottom surface of the module housing, the electrical contacts extending from and recessed in the respective surfaces of the module housing, wherein the first electrical connector is configured for a press fit engagement with a second electrical connector of the base module (712, 812), thereby providing an electrical connection between the switch controller (702, 802) and the base module (712, 812). • a tab configured to engage with a spring loaded mechanical lock positioned in the well of the base module (712, 812), thereby helping to securely keep the switch controller (702, 802) nested in the well of the base module (712, 812), • a module housing, • a switch control circuit positioned in the module housing, and including a processor configured to modulate a flow of electrical energy to a lighting circuit of a light fixture via the dimmer circuit to produce a plurality of lighting scenes, the light fixture connectable to the base module; • a graphical user interface coupled to the module housing and communicably coupled to the switch control circuit; and • a first electrical connector electrically connected to the switch control circuit, the first electrical connector including at least one pair of connectors comprising electrical contacts respectively positioned at a top surface and a bottom surface of the module housing, the electrical contacts extending from and recessed in the respective surfaces of the module housing, wherein the first electrical connector is configured for a press fit engagement with a second electrical connector of the base module (712, 812), thereby providing an electrical connection between the switch controller (702, 802) and the base module (712, 812).