The SunLight has all of the features of the SunSaver controller. It also has a rotary switch that allows it to turn on the loads after tusk for 2, 4, 5, 8, or 10 hours. It also has the option to turn loads onat dusk, or and on again before dawn. In this configuration, you can choose the following settings (in hours): 3/off/1, 4/off/2, or 6/off/2.