A control device (200, 310) configured for use in a load control system to control one or more electrical loads (102, 104) external to the control device (200, 310), the control device (200, 310) comprising: a base portion configured to be mounted to an electrical wallbox or over a mechanical switch; a first rotating portion (210, 332) configured to be rotatable with respect to the base portion; and a wireless communication circuit; characterized in that the control device (200, 310) further comprises: a second rotating portion (220, 334) concentric with the first rotating portion (210, 332) and configured to be rotatable with respect to the base portion, the first (210, 332) and second (220, 334) rotating portions occupying different planes along an axis perpendicular to the base portion, wherein the first (210, 332) and second (220, 334) rotating portions have approximately the same outer diameter; an actuation portion (230, 336) surrounded by the first rotating portion (210, 332) and configured to return to an idle position after being actuated: and a control circuit configured to generate and transmit, via the wireless communication circuit, first control data for changing a first characteristic of the one or more electrical loads (102, 104) in response to rotations of the first rotating portion (210, 332), the control circuit further configured to generate and transmit second control data for changing a second characteristic of the one or more electrical loads (102, 104) in response to rotations of the second rotating portion (220, 334); and wherein the control circuit is configured to transmit, via the wireless communication circuit, a command to turn the one or more electrical loads (102, 104) on and off in response to the actuation portion (230, 336) being pressed towards the base portion. a base portion configured to be mounted to an electrical wallbox or over a mechanical switch; a first rotating portion (210, 332) configured to be rotatable with respect to the base portion; and a wireless communication circuit; characterized in that the control device (200, 310) further comprises: a second rotating portion (220, 334) concentric with the first rotating portion (210, 332) and configured to be rotatable with respect to the base portion, the first (210, 332) and second (220, 334) rotating portions occupying different planes along an axis perpendicular to the base portion, wherein the first (210, 332) and second (220, 334) rotating portions have approximately the same outer diameter; an actuation portion (230, 336) surrounded by the first rotating portion (210, 332) and configured to return to an idle position after being actuated: and a control circuit configured to generate and transmit, via the wireless communication circuit, first control data for changing a first characteristic of the one or more electrical loads (102, 104) in response to rotations of the first rotating portion (210, 332), the control circuit further configured to generate and transmit second control data for changing a second characteristic of the one or more electrical loads (102, 104) in response to rotations of the second rotating portion (220, 334); and wherein the control circuit is configured to transmit, via the wireless communication circuit, a command to turn the one or more electrical loads (102, 104) on and off in response to the actuation portion (230, 336) being pressed towards the base portion. a second rotating portion (220, 334) concentric with the first rotating portion (210, 332) and configured to be rotatable with respect to the base portion, the first (210, 332) and second (220, 334) rotating portions occupying different planes along an axis perpendicular to the base portion, wherein the first (210, 332) and second (220, 334) rotating portions have approximately the same outer diameter; an actuation portion (230, 336) surrounded by the first rotating portion (210, 332) and configured to return to an idle position after being actuated: and a control circuit configured to generate and transmit, via the wireless communication circuit, first control data for changing a first characteristic of the one or more electrical loads (102, 104) in response to rotations of the first rotating portion (210, 332), the control circuit further configured to generate and transmit second control data for changing a second characteristic of the one or more electrical loads (102, 104) in response to rotations of the second rotating portion (220, 334); and wherein the control circuit is configured to transmit, via the wireless communication circuit, a command to turn the one or more electrical loads (102, 104) on and off in response to the actuation portion (230, 336) being pressed towards the base portion.