Troll Basic DuoFern timer - radio control for tubular motors The Troll Basic DuoFern timer has a modern design and many different functions. It is a convenient and contemporary roller shuttle control unit. The built-in display with illuminated icons always shows the automatic functions that are currently enabled. Troll Basic DuoFern makes it easy to control tubular motors for roller shutters that were originally not radio-capable, for example via various DuoFern transmitters. In addition, the roller shutters can still be controlled manually via the control keys on the switch. The Troll Basic DuoFern timer can also be connected to the HomePilot® central control unit. This gives you access to many different automation options. In addition to various programmes such as the standard/weekly or daily programme, the random function provides a presence simulation. Thanks to the two external inputs, group or central control is possible. Functions / compatibility: - Control via HomePilot® or via