Home Depot has 2 Nest Protect: Smoke + Carbon Monoxide Alarm (Wired 120-Volt), model no. S1001LW, for $199.99 (258 – 58 instant savings) with Free Shipping for a limited time. Deal expires March 26, 2014.

Home Depot also has 2 Nest Protect (Battery), model no. S1001BW, for $199.99 (258 – 58 instant savings) with Free Shipping for a limited time.

The Nest Protect smoke and carbon monoxide (CO) alarm quiets down when you wave – no more swinging towels or brooms – and sends a message to your phone if the alarm goes off or the batteries run low. Instead of just chirping and howling at you, Nest Protect speaks with a human voice. It gives you a friendly Heads-Up before burning toast turns into an emergency, and tells you which room the smoke or CO is. Low-battery chirps ever rattle your dreams, Nightly Promise shows you its sensors and batteries are working before you doze off.