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2-IN-1 DETECTION: Alerts you to both smoke & carbon monoxide (CO) using a single, cost-effective detector.

ENHANCED SENSING TECHNOLOGY: Reduces false smoke alarms often caused by cooking. Comprehensively tested to meet the latest UL standards, meets UL 217 9th Edition, UL 2034 4th Edition, & FCC standards.

NO WIRING NEEDED: Operates on 2-AA alkaline batteries (included) providing easy installation, simply mount the bracket onto the ceiling and twist & click the 5-inch smoke & CO alarm into the bracket.

VOICE ALERTS: Crystal-clear voice alerts will say "Fire!" when smoke is detected or "Warning! Carbon Monoxide!" if CO is detected, so you can react quickly.

SELF-TESTING ALARM: Internal components ensure alarm is always operating as expected. Not a substitute for a manual push test, perform a button test once per week to verify alarm operation.

3 LED NOTIFICATIONS: LED lights indicate alarm status, green = normal operation, amber = operating error, red = smoke or carbon monoxide detected & a loud 85-decibel alarm will sound.

TEST & HUSH BUTTON: Makes it easy to test the 5-inch combination detector and silence false alarms, should they occur.

10-YEAR LIMITED WARRANTY: Warranty begins when the alarm is powered on. If that date is unknown, it should be assumed that alarms should be replaced.

App Alerts: Get instant alerts on your phone whenever the device detects danger or its status changes; share the alarm with up to 12 family members to keep them in the loop

Talking Alarm Says the Location: Quickly identify any danger thanks to this talking alarm that tells you what's going on where: when smoke or CO is detected, you’ll hear a voice saying "Warning! Smoke detected in Living Room. Evacuate." or "Warning! Carbon monoxide detected in Living Room. Move to fresh air."

2-in-1 Protection: Enjoy total peace of mind with this dual-purpose alarm fitted with both smoke and carbon monoxide sensors; plus save time and space by only fitting a single unit

10-Year Lifespan: The heat-resistant PC body and 10-year sensor life offer performance you can trust for up to 10 years; the replaceable CR123A battery lasts up to 5 years

Super User-Friendly: Easily install and maintain your alarm thanks to clear spoken instructions helping you to silence alarms, pair over Wi-Fi, identify alarm locations, run tests, detect faults and know when it’s time to change the battery; the easier to maintain, the safer you are

Ultra-Slim, Sleek Design: Only 1.2 in (30 mm) thick, this unobtrusive alarm easily blends with your home décor; the mounting bracket is 5.3 in (135 mm) wide, covering the hole from your old alarm perfectly

2-IN-1 DETECTION: Alerts you to both smoke & carbon monoxide (CO) using a single, cost-effective device.

NEVER-CHANGE 10-YEAR BATTERY: No low battery chirps or battery changes for 10 years & saves up to $40 over the life of the detector. (10-yr limited warranty on alarm, not a battery performance claim.)

ENHANCED SENSING TECHNOLOGY: Reduces false smoke alarms often caused by cooking. Comprehensively tested to meet the latest UL standards, meets UL 217 9th Edition, UL 2034 4th Edition, & FCC standards.

VOICE ALERTS: Crystal-clear voice alerts will say "Fire!" when smoke is detected or "Warning! Carbon Monoxide!" if CO is detected, so you can react quickly.

SELF-TESTING ALARM: Internal components ensure alarm is always operating as expected. Not a substitute for a manual push test, perform a button test once per week to verify alarm operation.

3 LED NOTIFICATIONS: LED lights indicate alarm status, green = normal operation, amber = operating error, red = smoke or carbon monoxide detected & a loud 85-decibel alarm will sound.

EASY INSTALLATION: No wiring needed, simply mount the bracket onto the ceiling and twist & click the 5-inch smoke & CO alarm into the bracket.

10-YEAR LIMITED WARRANTY: Warranty begins when the alarm is powered on. If that date is unknown, it should be assumed that alarms should be replaced.

2-IN-1 DETECTION: Alerts you to both smoke & carbon monoxide (CO) using a single, cost-effective device.

HARDWIRED & 10-YEAR BATTERY BACKUP: Operates on 120V AC wiring (installed in the ceiling). No battery changes for 10 years & saves up to $40 over the life of the detector.

ENHANCED SENSING TECHNOLOGY: Reduces false smoke alarms often caused by cooking. Comprehensively tested to meet the latest UL standards, meets UL 217 9th Edition, UL 2034 4th Edition, & FCC standards.

VOICE ALERTS: Crystal-clear voice alerts will say "Fire!" when smoke is detected or "Warning! Carbon Monoxide!" if CO is detected, so you can react quickly.

INTERCONNECT CAPABILITY: When one alarm sounds, they all sound, so you can get out faster. (Different models offer different interconnection options and requirements. See User Guide for more info.)

SELF-TESTING ALARM: Internal components ensure alarm is always operating as expected. Not a substitute for a manual push test, perform a button test once per week to verify alarm operation.

3 LED NOTIFICATIONS: LED lights indicate alarm status, green = normal operation, amber = operating error, red = smoke or carbon monoxide detected & a loud 85-decibel alarm will sound.

10-YEAR WARRANTY: Begins when alarm is powered on. If that date is unknown, it should be assumed that alarms should be replaced. (10-yr limited warranty on alarm, not a battery performance claim.)

First Alert's Precision Detection advanced sensing technology complies with new industry standards to reduce cooking nuisance alarms and provides early warning in the event of a home fire emergency.

10-Year sealed battery eliminates battery replacements and low battery chirps for the life of the alarm

End-of-life warning lets you know when it’s time to replace the alarm

Provides reliable 2-in-1 protection against both smoke and carbon monoxide in an easy to install alarm

Test/silence button for efficient testing to ensure alarm is working properly

First Alert's Precision Detection advanced sensing technology complies with new industry standards to reduce cooking nuisance alarms and provides early warning in the event of a home fire emergency

10-Year battery backup provides continuous protection during power outages

Through early warning interconnect, when one alarm sounds, all compatible* alarms will sound

Quick Connect Plug allows for easy installation with no need to rewire

Alarm indicator visually identifies the unit that initiated the alarm

Activate Before Use: Press and hold the top cover for 10 seconds until the LED indicator lights up, then release it. The alarm will beep to indicate successful activation.

2-in-1 Protection: This smoke detector carbon monoxide detector combo utilizes dual sensors to detect both smoke and carbon monoxide. It alerts you to danger with an audible alarm that exceeds 85 dB.

Built-In 10-Year Battery: This smoke and CO alarm comes with a sealed lithium battery offering 10 years of uninterrupted power. Its portability lets you turn off the alarm and bring it while traveling.

High Sensitivity & Accuracy: The smoke and carbon monoxide detector boasts faster response times and fewer false alarms thanks to upgraded photoelectric and electrochemical sensors, which significantly enhance alarm sensitivity.

Large Button & Ultra-Thin Design: Compact at Ø 4.7 x 1.1 inches, this slim detector is easy to install anywhere. Test or mute it with a long stick using the top cover button, making it safer for older users who don't need to climb to confirm functionality.

Quick Installation: Simple installation of this smoke and CO alarm on any wall or RV using the provided adhesive tape or screws. It's so straightforward that even those who avoid DIY projects will find it effortless.

LCD Digital Display: The Smoke and Carbon Monoxide Detector with LCD screen, Clearly indicate real-time carbon monoxide CO concentration in the surrounding air and working status of the alarm. To save power, the LCD display only shows the value when Carbon Monoxide or smoke is detected.

2 in 1 CO Smoke Alarm Detector: GiiHoo smoke and carbon monoxide detector is built with both a cutting-edge Electrochemical Carbon Monoxide sensor and Infrared photoelectric sensor to detect smoke and carbon monoxide faster and more accurately, protecting your home from two potentially deadly threats.

Safe and Reliable: This smoke alarm and carbon monoxide detector meets safety standards. With a built-in test button and low battery warning. When encountering a non-emergency situation（false alarms occur), you can immediately press the test button and the LED light will flash 10 seconds, indicating that it has entered the silent mode.

Compact & Flexible Use: Our portable Smoke Alarm and CO Detector is not only stylish in appearance, but also compact and lightweight. It is accurate and durable. You can put it anywhere that CO levels might be of any concern, such as homes, offices, Garages and RVs!

Easy Installtion: This CO alarm is powered by 3x1.5V AA batteries (not included). Easy to mount this combo Smoke and Carbon Monoxide Detector with the included mounting bracket, screws, and anchor plugs.

Note: The alarm is directly connected to the app via Wi-Fi and does not require SBS50 base station

Cost-Free Real-Time Notifications: Keep an eye on your home from anywhere and get immediate push notifications through the X-Sense Home Security app for alarms, low battery, faults, and more

Decade-Long Safety with Precision Detection: This 2-in-1 alarm combines photoelectric smoke and Figaro electrochemical CO sensors, ensuring fast and accurate detection and a 10-year lifespan, giving you the utmost safety and peace of mind

Direct 2.4 GHz Wi-Fi Connection: The battery-powered smoke and carbon monoxide alarm connects directly to the X-Sense Home Security app via the 2.4 GHz Wi-Fi network, no base station required

Fast Fire Dispatch Within Just 3 Seconds: As a subscriber to the Protect+ Premium which provides 24/7 professional monitoring service, when an alarm is triggered, you will receive a message from the monitoring center within 3 seconds to verify the emergency. After the emergency is verified, a fire truck will be dispatched immediately

Device Sharing: With the X-Sense Home Security app, you can effortlessly share your devices with 12 family and friends, enabling them to monitor your home safety and receive crucial alerts

2-in-1 Protection: The smoke and carbon monoxide detector features electrochemical Carbon Monoxide sensing technology and photoelectric smoke sensor optimized to simultaneously detect the CO concentration and the larger smoke particles produced by smoldering fires.

Highly Sensitive and Quick Responsive: Equipped with a built-in Carbon Monoxide Detector Chip and electrochemical sensor, capable of detecting odorless, invisible, and deadly carbon monoxide in the air. Reacts swiftly to safeguard your life at the first sign of a fire hazard.

Easy Installation: This smoke detector carbon monoxide detector combo alarm provides continuous monitoring of Carbon Monoxide levels to ensure the safety of your family. It operates on 3*1.5V AA batteries (not included) and requires no wiring, allowing it to detect even during power failures.

Alarm Standards: Alerts at various levels of carbon monoxide concentration - 50ppm triggers an alarm within 60 to 90 minutes; 100ppm triggers an alarm within 10 to 40 minutes; 300ppm triggers an alarm within 3 minutes.

Simple to Use: Features a single test/reset button. When dangerous levels of carbon monoxide or smoke are detected, the red light flashes and a loud alarm pattern sounds - an 85-decibel alarm with a flashing red light to protect your family's life and property from CO and smoke exposure.

Wide Application: This combo smoke and carbon monoxide detector is suitable for various environments where carbon monoxide may be present, including your home kitchen, bedroom, bathroom, hotel, or during outdoor activities such as barbecuing or in parking garages.