The FRITZ!DECT 440 four-way switch from AVM that is connected via secure DECT ULE technology for smart homes has four buttons for controlling various FRITZ! devices. The switch provides easy control over devices that are e.g. connected to a FRITZ!DECT smartplug, or changes the room lights via a connected FRITZ!DECT 500 lightbulb, creating a feel-good atmosphere at the touch of a button. Four configurable buttons for convenient control of FRITZ! smart home products, High-resolution e-paper display shows the current room temperature or button functions, Flexible positioning thanks to the magnetic wall mount. Including: 1 x FRITZ!DECT 440 1 x Installation guide 1 x Wall mount 1 x Adhesive strip 2 x Screws 2 x Plugs 2 x AAA batteries Requirements: FRITZ!Box with integrated DECT base station and FRITZ!OS with version 7.10 and upwards, full functionality including FRITZ!DECT 500 from FRITZ!OS 7.20 upwards.