The product is a lot of 2 Google Nest Protect 2nd Smoke Carbon Monoxide Alarm. NOTE: These units power up but have issues. They are sold for parts or repair and no returns accepted.
* Device 1 (Left): Expires 9/2030. Device powers on but does not work with wired power only with batteries
* Device 2 (Right): Expires 8/2029. Device powers on but reports smoke detected within a few minutes of turning on

No accessories or AA batteries are included other than the device.