Through a switch you can choose between the generation of the automatic effect of dusk, or dawn. It allows to regulate the time of course of effects between 1 sec. and 120 minutes. It has pushbutton outputs for immediate on and off. It does not accept inductive loads such as PL lamps, relays, fluorescents, transformers, etc. It incorporates connection terminals to facilitate assembly. Especially suitable for nativity scenes, theaters, modeling, ambiances, etc.