RolloTron Comfort 1740 mini belt winder, belt width 15 mm - electric shutter drive with a lot of extra features The RolloTron Comfort mini belt winder provides convenient, electric and completely automatic shutter control. It can be installed in common belt boxes with a width of 3.6 cm or more and is ready to use in no time thanks to the installation wizard. Many practical functions, whose settings are shown on the illuminated display, make RolloTron Comfort a valuable element. You can use the buttons to control it manually on the spot. It can be automated on the basis of various basic principles. Time-based schedules on a daily or weekly cycle, as well as control based on the sunrise and sunset (astro function) can be set up. A control based on the light level can be implemented with the help of the sun and twilight sensor (see accessories). You can set the positions for providing shade in sunlight and during ventilation as needed. The soft-start/soft-stop function promises to minimis