Troll Comfort DuoFern timer for automating the shutter control This practical timer comes with a wide range of functions and setting options. It is used to control and automate shutters, which is made possible by a simple installation and a connection to an electric shutter drive. Its simple design allows it to be integrated almost anywhere. It can be used with all common switch ranges. You can see the settings on the display and manual control is still possible via the keys. The Troll Comfort DuoFern timer can be controlled remotely via DuoFern central control units and DuoFern transmitters. Connecting it to the HomePilot® central control unit makes it possible to control it via the free app. The creation of customised groups and scenes makes the automation of the shutter control a practical component of the home automation system. The various functions include daily/weekly and astro programmes and the random function, as well as a sophisticated blind function, in which the jog mode,