Pedestrian Crosswalk / Railroad Crossing Light Controller - Sequencer / 120 VAC User selectable time delay from 5 seconds to 60 seconds, (0.2 to 2 seconds for railroad crossing) Separate fixed time for "flashing" don't walk light (0.25 seconds x 10) User selectable setting for pedestrian or railroad crossing operation On board crosswalk button as well as an external connection for interactive operation Compatible with virtually all types of 120VAC pedestrian or railroad crossing lights