Apple Reportedly Working on 'Small Sensor for Managing Home Security'

Here's an interesting tidbit from Mark Gurman's profile of John Ternus for Bloomberg: Apple is apparently working on a smart home sensor.
The article said Ternus is leading development of a trio of new home products, including a tabletop robot with a swiveling screen, a smart home hub with Apple Intelligence and facial recognition, and "a small sensor for managing home security."The sensor has an internal codename of J450, according to Gurman. In his previous reporting, he has referred to this J