Nest Guard is the hub device in the Nest Secure ... Google should have sent you an offer to replace it with a newer Nest camera (they are also offering a 50% discount for certain nonsubscribers).

The Nest Guard contained a microphone, but Google did not disclose that in the product's specifications Google has acknowledged that it made an error in not ...

This included the Nest Guard (the heart of the system), two Nest Detects, and two Nest Tags. The Nest Guard was a puck-shaped tabletop controller and keypad with a motion detector, siren ...