Smart home tech on show in Berlin
Media playback is unsupported on your device
Video

Smart home tech on show in Berlin

The "smart home" filled with internet-connected gadgets has been promised for many years, but has so far failed to go mainstream.

At this year's IFA consumer tech show in Berlin, the industry's biggest names are pressing ahead with the idea, convinced its time has come.

The BBC's Rory Cellan-Jones went hands-on with some of the latest smart home gadgets on display in Germany.