With the electronic belt rollers, you can conveniently open and close your roller shutters at the push of a button or program them to operate at your desired time of day. The drives operate quietly and smoothly. Installation is done without opening the roller shutter box and features automatic obstacle detection. They help save energy and prevent break-ins. The belt rollers can be easily replaced with the old roller, making them ideal for renters as well. The power connection is made with a power supply and 2 meters of lead. The drive and control are combined in one device. Installation can be completed in just about 10 minutes.