Best Voice controlled Smoke Detector

X-Sense 10-Year Battery Combination Smoke Carbon Monoxide Alarm Detector with Large LCD Display, Standalone Model, 5-Pack

Smoke detector and carbon monoxide detector that speaks up in a friendly voice to give you an early warning when there's smoke or CO in your home.
Split Spectrum Sensor looks for both fast burning and smoldering, and tells you where the danger is.
Get phone alerts so you know something's wrong even when you're away from home[1].
CO detector looks out for carbon monoxide and tells you where it's located.
With App Silence you can silence the smoke alarm with your phone in the Nest app when there's only a little smoke.

Fire & CO Detector in 1 unit with alert modes, LED lights, & voice alarm, that states, "Fire", "Warning Carbon Monoxide", or "Low Battery".
Photoelectric sensor technology - hardwired smoke detector detects visible fire particles, 85 decibel alarm alerts of fire.
Protects during a power failure - combo smoke and CO detector operates on a 120V power source with 9V front-loading battery backup.
Test-Hush Feature - silences the unit for approximately 8 minutes.
tamper-resistant technology deters removal of the unit from the wall or ceiling.

Smoke detector with alert modes & voice alarm, that states, "Fire! Fire!", "Warning! Carbon Monoxide!", or "Low Battery!".
Photoelectric sensing technology - hardwired smoke detector detects visible fire particles associated with smoldering fires, 85 decibel alarm alerts of fire.
Protects during a power failure - smoke alarm operates on a 120V wired power source with 3V lithium battery backup.
Test-Hush Feature - silences the unit for approximately 10 minutes.

Smoke detector and carbon monoxide detector that speaks up in a friendly voice to give you an early warning when there's smoke or CO in your home.
Split Spectrum Sensor looks for both fast burning and smoldering, and tells you where the danger is.
Get phone alerts so you know something's wrong even when you're away from home[1].
CO detector looks out for carbon monoxide and tells you where it's located.
With App Silence you can silence the smoke alarm with your phone in the Nest app when there's only a little smoke.
No chirps to tell you the battery is low.
Nest Protect tests its own batteries and gives you a Nightly Promise when you turn off the lights so you know everything is working.
A Light in the Dark: Usually Nest Protect has its light turned off but when you walk underneath it Pathlight can light your way..
The Nest smoke and carbon monoxide alarm has sensors with a 10-year lifespan to help keep your family safe for up to a decade.
With Safety Check you can test all your smoke and CO alarms with just a tap and get a full report once the test is done.
Know from anywhere. Connect Nest Protect to Wi-Fi and it will send an alert to your phone if the alarm goes off or the batteries run low..

Smoke detector and carbon monoxide detector that speaks up in a friendly voice to give you an early warning when there's smoke or CO in your home.
Split Spectrum Sensor looks for both fast burning and smoldering, and tells you where the danger is.
Get phone alerts so you know something's wrong even when you're away from home[1].
CO detector looks out for carbon monoxide and tells you where it's located.
With App Silence you can silence the smoke alarm with your phone in the Nest app when there's only a little smoke.

Fire and CO detector in 1 unit with alert modes, LED lights, and voice alarm, that states, "Fire. Fire.", "Warning. Carbon Monoxide.", or "Low Battery.".
Ionization sensor technology - smoke detector detects invisible fire particles, 85 decibel alarm alerts of fire.
Protects during a power failure - combo smoke and CO alarm operates on 2-AA batteries.
Test-Hush Feature - silences the unit for approximately 8 minutes.
tamper-resistant technology deters removal of the unit from the wall or ceiling.

Fire & CO detector in 1 unit with alert modes, LED lights, & voice alarm, that states, "Fire! Fire!", "Warning! Carbon Monoxide!", or "Low Battery!".
Photoelectric sensor technology - smoke detector detects visible fire particles, 85 decibel alarm alerts of fire.
Protects during a power failure - combo smoke and CO detector operates on a 120VAC power source with lithium battery backup.
Test-Hush Feature - silences the unit for approximately 8 minutes.
tamper-resistant technology deters removal of the unit from the wall or ceiling.

Fire & CO Detector in 1 unit with alert modes, LED lights, & voice alarm, that states, "Fire! Fire!", "Warning! Carbon Monoxide!", or "Low Battery!".
Ionization sensing technology - hardwired smoke detector detects invisible fire particles, 85 decibel alarm alerts of fire.
Protects during a power failure - combo smoke and CO detector operates on a 120VAC power source with 2-AA battery backup.
Test-Hush Feature - silences the unit for approximately 9 minutes.
tamper-resistant technology deters removal of the unit from the wall or ceiling.

CO detector with voice alert modes & LED lights that pulse for power, CO detection, & low battery.
Photoelectric sensor technology - smoke detector detects visible fire particles, 85 decibel alarm alerts of fire.
Protects during a power failure - combo smoke and CO alarm operates on a 10-year, sealed lithium battery.
Low battery warning feature indicates when the battery needs replacement.