10 Best Co Smoke Detector Combo 2024 in the US

1.

Wireless Interconnection: All units activate if one detects smoke or CO.

2.

Wide Coverage: Interconnect up to 24 devices for full home protection.

3.

2-in-1 Protection: Photoelectric smoke and electrochemical CO sensors.

4.

10-Year Battery: Built-in lithium battery lasts the unit's lifetime.

5.

Informative LCD: Displays real-time CO levels, battery, and status.

1.

Voice Alerts: Friendly voice notifications for early warnings of smoke or CO presence

2.

Split Spectrum Sensor: Detects both fast-burning and smoldering fires, indicating the location of danger

3.

Mobile Notifications: Sends alerts to your phone for smoke or CO detection and low battery, even when you're away

4.

CO Detection: Monitors carbon monoxide levels and provides location-specific alerts

5.

App Silence: Allows you to silence false alarms via the Nest app on your phone

1.

Combination Smoke and CO Alarm: Protects against smoke and carbon monoxide.

2.

10-Year Battery Life: Sealed lithium battery lasts up to a decade.

3.

Loud 85 dB Alarm: Faster response with upgraded sensors.

4.

Simple Installation: Easy setup without an electrician.

5.

Premium Quality Material: Made from high-quality PC material.

1.

2-IN-1 Detection: Detects both smoke & carbon monoxide.

2.

HARDWIRED & Battery Backup: Operates on 120V AC with 2 AA battery backup.

3.

Enhanced Sensing Technology: Reduces false alarms from cooking.

4.

Interconnect Capability: All alarms sound when one is triggered.

5.

3 LED Notifications: Indicates status with green, amber, and red lights.

1.

Electrochemical CO sensing: Detects carbon monoxide with precision.

2.

Photoelectric smoke sensor: Optimized for smoldering fire detection.

3.

85 decibel alarm: Loud alert for rising CO and smoke levels.

4.

Sleek, low profile design: Blends into the wall, discreet appearance.

5.

10-year limited warranty: Includes end-of-life signal chirp for safety.

1.

Instant App Alerts: Receive alerts on phone for danger or status changes.

2.

Talking Alarm: Voice alerts specify danger type and location.

3.

2-in-1 Protection: Combines smoke and carbon monoxide sensors.

4.

Fast Fire Dispatch: 3-second response with Protect+ Premium subscription.

5.

10-Year Lifespan: Durable design with a 10-year sensor life.

1.

Battery Backup: Ensures monitoring during power failures.

2.

Dual Sensors: Electrochemical CO and ionization smoke sensors.

3.

Interconnectivity: Connects with other BRK/First Alert alarms.

4.

User-Friendly Design: Single test/silence button and easy installation.

5.

Loud Alarm: 85 decibel siren for clear, loud warnings.

1.

2-in-1 Detection: Detects both smoke and carbon monoxide.

2.

Photoelectric Sensor: Detects slow, smoldering fires effectively.

3.

85-decibel Alarm: Loud alarm with red LED for smoke/fire alerts.

4.

Lithium Battery Operated: No battery replacement needed, works in outages.

5.

Test-Hush Button: Easily test and silence false alarms.

1.

Real-Time Notifications: Receive immediate push notifications for alarms, low battery, and faults through the X-Sense Home Security app.

2.

10-Year Lifespan: Features a combination of photoelectric smoke and Figaro electrochemical CO sensors for a decade of precision detection.

3.

Device Sharing: Share your device with up to 12 people for collective home safety monitoring and alerting.

4.

Wi-Fi Connectivity: Directly connects to the X-Sense Home Security app over a 2.4 GHz Wi-Fi network without the need for a base station.

5.

Fast Fire Dispatch: With Protect+ Premium, receive a message within 3 seconds of an alarm for 24/7 professional monitoring and immediate fire dispatch.

1.

Precision Detection Technology: Reduces cooking nuisance alarms and provides early fire warning.

2.

2-in-1 Protection: Detects both smoke and carbon monoxide.

3.

10-Year Sealed Battery: Eliminates battery replacements and low battery chirps.

4.

End-of-Life Warning: Alerts when it's time to replace the alarm.

5.

Slim Profile Design: Half the depth of a standard alarm for easy installation.