RolloTron Base DuoFern 1200 belt winder - the convenient solution for flexible shutter control RolloTron Basic DuoFern is an electric radio-controlled shutter drive for flush-mounted installation. It can be mounted in all common belt boxes from a width of 3.6 cm. It is easily connected to the 230 V mains power supply. The belt winder can be controlled by radio waves or manually. Combining the belt winder with other DuoFern products (see accessories) gives it additional automatic functions and makes it flexible and convenient to use. In addition to daily, weekly and astro programmes, the ventilation and sun protection position of the shutters can be freely selected. When it is connected to HomePilot®, you have access to all functions and can control them via the app on your smartphone or tablet or even by voice command via Amazon Alexa or Google Assistant. Functions / compatibility: - Control via HomePilot® or via the free HomePilot app - Voice control via Google Assistant and Amazon Al