Outdoor 24-Hour Photoelectric Timer with Remote Control allows you to control your underwater dock lights with a push of a button from the comfort of your home. This product can be set to automatically turn on at dusk and turn off at dawn, or it is programmable to turn on at dusk and off 2, 4, 6, or 8-hours later. Features a remote control that manually overrides the timer and works up to a distance of 66 ft.