LED module system having an LED module (1, 2, 3) having at least one integrated LED assembly (5, 6, 7), which is connected to at least one integrated dimmer (9, 10, 11), which can be driven by means of an integrated drive apparatus depending on the signals of an integrated dusk sensor and the signals of an integrated switching input, wherein an external ON/OFF switch or motion detector is connected to the switching input, • wherein the LED module (1, 2, 3) can assume at least three different modes, namely a "switch-off mode", a "sensor mode" and a "light mode", • wherein the "light mode" can be activated with maximum brightness by the signal of the external ON/OFF switch or motion detector, • wherein the "sensor mode" can be activated automatically with brightness reduced in a prescribed manner by the signal of the dusk sensor, characterized in that • the input side of the integrated dimmer (9, 10, 11) is connected to an integrated power supply unit, which has a power supply connection connected to a 230 V power supply, • in the LED module, a second switching input is integrated, wherein an external ON/OFF switch is connected to said second switching input and in that the LED module can assume a "signalling mode" as a further mode, which can be activated by the signal of said external ON/OFF switch and in which the LEDs alternate between different brightnesses and/or colours at a prescribed frequency, • in the LED module (2, 3), a first LED assembly is provided with white LEDs and a second LED assembly is provided with RGB LEDs, wherein said separate LED assemblies (6, 7) can be driven in the desired brightness and/or colour independently of one another using separate dimmers (10, 11) depending on separate drive signals (Al, A2) of the drive apparatus, • wherein the drive apparatus can transmit separate drive signals to the first dimmer and drive signals to the second dimmer independently of one another. • wherein the LED module (1, 2, 3) can assume at least three different modes, namely a "switch-off mode", a "sensor mode" and a "light mode", • wherein the "light mode" can be activated with maximum brightness by the signal of the external ON/OFF switch or motion detector, • wherein the "sensor mode" can be activated automatically with brightness reduced in a prescribed manner by the signal of the dusk sensor, • the input side of the integrated dimmer (9, 10, 11) is connected to an integrated power supply unit, which has a power supply connection connected to a 230 V power supply, • in the LED module, a second switching input is integrated, wherein an external ON/OFF switch is connected to said second switching input and in that the LED module can assume a "signalling mode" as a further mode, which can be activated by the signal of said external ON/OFF switch and in which the LEDs alternate between different brightnesses and/or colours at a prescribed frequency, • in the LED module (2, 3), a first LED assembly is provided with white LEDs and a second LED assembly is provided with RGB LEDs, wherein said separate LED assemblies (6, 7) can be driven in the desired brightness and/or colour independently of one another using separate dimmers (10, 11) depending on separate drive signals (Al, A2) of the drive apparatus, • wherein the drive apparatus can transmit separate drive signals to the first dimmer and drive signals to the second dimmer independently of one another.