Abstract: A lighting mechanism is provided for fastening to a sprinkler body that includes a power supply, an illumination module including a source of light located in a fully watertight compartment, a controller, and a fastener for mounting the illumination module to a sprinkler. The lighting mechanism may also include a device in communication with a separate remote control station to control the source of light. The remote control station may also include a programmer for varying the lighting durations of the various sources of light and a sensor such that the sources of light may be illuminated according to a signal issued by the sensor.