Delta Overlap is dedicated to all the accredited installer technicians. It lets you set the perfect tuning for your Overlap garage door equipped with Silmotion, the new Overlap garage door opener. Simply plug the Bluetooth key in the GDO communication port and connect! It is an essential tool also for a quick and easy system diagnosis. Few examples of the parameters you can set are: •Timer-to-Close (TCC) •Door timing •Current absorption •Light/buzzer timing