The popular products will be replaced by new models from First Alert and Yale.

The blog post points to the Google TV Streamer and the 4th-gen Nest Thermostat (both launched last August) as evidence that it's still interested in hardware for the home, even if there haven't been a huge number of launches in recent times.

The smart smoke alarm will continue to work and receive updates until its expiration date, and you can still pick one up until the current stock runs out.