The Rademacher Troll Comfort DuoFern 5665 is a smart home device that allows you to control your blinds and shutters with ease. It is designed to work with the DuoFern radio system, which enables you to operate your window coverings using a remote control or your smartphone. With the Rademacher Troll Comfort DuoFern 5665, you can adjust the position of your blinds or shutters to let in just the right amount of light, or to provide privacy when you need it. This device is perfect for anyone who wants to automate their home and make their life more convenient. By purchasing a screen protector for your Rademacher Troll Comfort DuoFern 5665, you can ensure that it stays in good condition and continues to function properly for years to come.