Taster interface, switch interface, contact interface, interface - HmIP-FCI6. With 6 independently usable inputs for potential-free button, door/window contact, and switch configurations. Location-independent battery operation. Up to 230 m radio range. Very compact, fits in switch boxes behind buttons/switches. Length of the connection cable: 20 cm. Requires 2x Micro AAA/LR03 batteries, which are not included. Expandable at any time, always reliable. The Homematic system can be flexibly expanded at any time. You can build your system piece by piece and supplement it according to your personal preferences. Since the components communicate wirelessly with each other, no wiring is necessary. The use of the latest radio technology offers you almost one hundred percent availability of functions. Innovative smart home products from eQ-3. Homematic IP is a product of eQ-3 AG. Since the 1980s, the ELV/eQ-3 group has evolved from a technology pioneer to one of the European market leaders in the field of home control and is now one of the largest employers in East Frisia. eQ-3 stands for innovations across a wide range of technologies that, when combined, provide a competitive edge in consumer solutions. Home automation made easy with Homematic IP. Homematic IP offers practical solutions for almost all situations in home life: The home control system simplifies everyday tasks and takes over recurring processes in the house, such as retracting the awning, closing the shutters, or opening the garage door. Control everything conveniently via the central unit, remote control, PC software, or smartphone. You also have the option to combine different applications.