The wireless timer switch for roller shutters. Discover the Troll Comfort DuoFern - the wireless timer switch for roller shutters. Connected to an electric roller shutter drive, the Troll Comfort DuoFern serves to control and automate your roller shutters. Thanks to its integrated wireless interface, your roller shutters can be operated remotely at the same time. This wireless timer switch is a real eye-catcher with its modern design, large illuminated display, piano lacquer finish, and intuitive 5-way navigation.

In addition to extensive automation functions, such as daily, weekly, astro, or random programs, the Troll Comfort DuoFern also offers a simple installation assistant. This guides you through the basic settings during initial setup and allows for quick programming of switching times. The timer switch for roller shutters automatically adjusts to summer and winter time. Furthermore, the wireless timer switch features integrated blockage detection for mechanical tubular motors, protecting frozen roller shutters from damage. With the optional sun and twilight sensor, sun and twilight control is also possible. The Troll Comfort DuoFern is available in Ultra White and Aluminum colors. Thanks to its design according to DIN 49075, the timer switch can be integrated into all common switch programs using intermediate frames.