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The FRITZ!DECT 400 smart switch gives you full control of your Smart Home - all at the touch of a button! Easy to set up and use, you can turn your lights on and off or manage your home's heating.
Make your house a Smart Home with FRITZ!.
Got a question about your FRITZ! product? Download the manual for step-by-step instructions and extra information.
Find your manual
Take a look at our short videos for more on how to use your FRITZ!Box and a host of practical tips.
Handy apps add new features to your FRITZ!Box, smartphones and tablets. They're available as free downloads for iOS and Android.
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