Everything is different in this version of the Nest Protect even the voice instead of the OG version and the old one counts from 10 by talking but on the new one it counts by 4 by beeping but the new one lies if it counts from 5
How to factory reset the smoke alarm ( 2nd Gen ) 1. Press and Hold the middle button 2. Wait for the chime and listen for the version number 3. Listen to the chime countdown to 4 4. Nest will erase all settings after the chime 5. If your ready, press the button to test alarm!