DuoFern door and window contact to control windows and doors This smart home sensor is used to monitor the status of windows and doors and can be mounted in almost any frame due to its slim dimensions. Magnet technology and adhesive strips make this easy. It is battery-powered and communicates via radio with the HomePilot®, which allows the contact to be integrated into the smart home system. Then the information about the status of the windows and doors can be passed on and used to control other components. For example, when the terrace door is open, the door contact’s status report can be used to disable the shutter’s automatic timer to prevent a collision with the door. Furthermore, the window/door contact is perfect for combining with radiator actuators. With just a few steps and settings, you can optimise heating systems and reduce their energy consumption by reducing the heat output when windows and doors are open. In addition, the contact also provides security. Integration into