The invention relates to a lighting system comprising at least one light module (3), preferably a plurality of light modules (3), which can be installed in e.g. pool walls of swimming baths or footpaths and have at least one LED (4), wherein the light modules are each connected by means of at least one system cable (2) to a common central and bus-capable controller (1) and can be controlled thereby, wherein the system cable (2) is provided for power supply to the light modules (3) and for control of the respective light modules (3) from the controller (1), and wherein in each case a light module (3) which can be positioned by means of an associated system cable (2) remote from the controller (1) has a housing, which is in particular watertight, in which driver means are disposed for supplying power to the LED (4).