Buy Nest Protect -

Google will continue to support existing Nest Protect devices through their expiration date. Expiration: 1st Gen: 7-year lifespan from manufacture. 2nd Gen: 10-year lifespan from manufacture.

Originally $129.99. You may still find remaining Nest Protect stock "while supplies last". 2. Key Features & Performance buy nest protect

Uses a "split spectrum" sensor to detect both fast-flaming and smoldering fires, plus carbon monoxide. Google will continue to support existing Nest Protect

The First Alert Smart Smoke & Carbon Monoxide Alarm (Model SC5) is the officially recommended successor. if one goes off

Units talk to each other; if one goes off, they all do. The new First Alert units can interconnect with existing Nest Protects.

Provides voice alerts ("Heads-Up") rather than just a siren, identifying the room and type of danger.