Best X-Sense in 2026

2-in-1 Protection: This combination detector protects against both smoke and carbon monoxide

Wireless Interconnection: When one alarm sounds, all alarms will go off

10-Year Sealed Battery: This wireless alarm features a 10-year lithium battery and will give a low battery warning

2-in-1 Protection: The combination smoke and CO detector detects both smoke and carbon monoxide faster and more accurately using a photoelectric smoke sensor and an electrochemical CO sensor

10-Year Battery: The fire and CO alarm is built with a sealed lithium battery that provides 10 years of continuous power, saving you from changing batteries and power outage

Combination Alarm with CO Readings: The informative LCD will show you the battery level and real-time CO levels in PPM (parts per million)

Combination Smoke and Carbon Monoxide Alarm: One alarm to protect against 2 deadly threats, including smoke and carbon monoxide; accurately detects carbon monoxide from any potential source

10-Year Battery-Operated Smoke and CO Alarm: A sealed lithium battery enables the unit to keep you and your family safe and sound for up to a decade with no need to replace batteries frequently; a low battery warning lets you know the unit is coming to its end of life

Faster Response to Dangers with Loud 85 dB Alarm: Upgraded photoelectric and electrochemical sensors significantly increase the sensitivity of the alarm for a faster response time while minimizing false alarms

10-Year Battery Life: This combination smoke alarm and carbon monoxide alarm provides 10 years of continuous power with a built-in lithium battery; provides continuous monitoring of smoke and CO levels, even if there's a power failure; an end-of-life signal will let you know when it’s time to replace the unit for safety

Alarm Types for More Convenient: Different alarm patterns of this carbon monoxide alarm and smoke alarm tell you it is either smoke or carbon monoxide is detected without checking the LCD display; smoke alarm: delivers 3 long beeps every 1.5 seconds and the red LED flashes with the alarm sound; CO alarm: delivers 4 quick beeps every 5. 8 seconds and the red LED flashes with the alarm sound

High Accuracy and Sensitivity: X-Sense carbon monoxide fire alarm is equipped with combination photoelectric smoke and electrochemical CO sensors that work independently of each other; instantly notifies you when dangerous smoke or CO concentration is detected; provides the ultimate protection from 2 deadly threats, all contained in 1 unit

2-in-1 Protection: This combination detector protects against both smoke and carbon monoxide

Wireless Interconnection: When one alarm sounds, all alarms will go off

10-Year Sealed Battery: This wireless alarm features a 10-year lithium battery and will give a low battery warning

10-Year Figaro CO Sensor: This carbon monoxide detector has a built-in advanced Figaro sensor that detects dangerous CO levels more accurately and responds more quickly, with a lifespan of up to 10 years

5-Year Replaceable Battery: The alarm is built with a replaceable lithium battery to provide 5 years of continuous protection; a low-battery warning tells you when to replace the battery for continued safety

Peak CO Concentration Memory: The visual LCD automatically records and saves the peak CO levels, so an alarm triggered when you are away from home can be confirmed using the recorded peak value

2-in-1 Protection: The combination smoke and CO detector detects both smoke and carbon monoxide faster and more accurately using a photoelectric smoke sensor and an electrochemical CO sensor

10-Year Battery: The fire and CO alarm is built with a sealed lithium battery that provides 10 years of continuous power, saving you from changing batteries and power outage

Combination Alarm with CO Readings: The informative LCD will show you the battery level and real-time CO levels in PPM (parts per million)

Hear an Alarm from Anywhere: If one alarm detects smoke or dangerous CO levels, all wireless interconnected units will activate, ensuring the earliest possible warning

Wide Coverage for Full Home Protection: Up to 24 X-Sense Link+ devices can be interconnected to create a wireless safety network for your entire house

2-in-1 Protection: Equipped with both a photoelectric smoke sensor and an electrochemical CO sensor to provide reliable protection against both smoke and CO

10-Year Battery Smoke Alarm: The smoke detector is built with an energy efficient and eco-friendly lithium battery with low power consumption, enabling an incredible lifetime of 10 years with maximum reliability; spares you the hassle of frequent battery changes and provides uninterrupted 24/7 protection, even during power outages

Sensitive & Accurate: Built with an advanced photoelectric sensor and intelligent ST chipset, the alarm can quickly and accurately detect dangerous smoke levels from smoldering fires, and provide the earliest possible warning of fires; the dust-proof isolating plate inside the alarm ensures the detection sensitivity

Smart Auto-Check: This 10-year battery smoke detector has manifold self-inspection parameters with clear notifications; if it malfunctions, or if the battery is low, you will be notified immediately so that you can identify and resolve the problem quickly for comprehensive protection

Wireless Interconnected CO Alarms: These wireless alarms interconnect via radio frequency so that when one alarm sounds, all of them will alarm, providing earlier notification of CO danger

Battery Operated Carbon Monoxide Alarm: Equipped with a Figaro electrochemical CO sensor that delivers stable performance for 10 years; replaceable battery lasts for 5 years

Full Home Coverage: Up to 24 smoke, CO, or combination alarms can be interlinked in a network for maximum detection coverage; compatible with all X-Sense Link+ wireless alarms

Flexible Installation: Wall-mounted or free-standing; easy to take while traveling

High Accuracy & Reliability: Advanced Figaro electrochemical CO sensor; 5-year replaceable battery

Instant Alert: An early warning will be delivered through a loud 85-decibel alarm

10-Year Battery Life Smoke Detector: Equipped with a sealed 10-year lithium battery for continuous power with no replacement required during the 10-year life of the alarm

Accurate & Responsive Smoke Alarm: Adopts the most advanced photoelectric sensor, enabling the alarm to quickly detect dangerous smoke levels from slow-burning, smoldering fires; provides the earliest possible warning of fire

Quick and Easy Installation: No need for rewiring, as the battery-operated smoke alarm is easy to install with the included screws, anchor plugs, and mounting bracket, or just use an adhesive magnetic pad (sold separately) to effortlessly install it on a wall or ceiling

More Accurate with Intelligent Technology: This hardwired smoke and carbon monoxide detector combines an advanced photoelectric smoke sensor and a Figaro electrochemical CO sensor to detect smoke from smoldering fires and dangerous CO levels quickly

Hardwired Alarm with Replaceable Battery Backup: This combination smoke and carbon monoxide detector is AC hardwired with a 9 V battery backup, so the alarm can continuously monitor for smoke and CO even if there is a power outage

Interconnects Up to 18 Units for Full Coverage: You can connect up to 18 X-Sense 2-in-1 hardwired alarm, so when one alarm is triggered, all will sound together throughout your home

10-Year Lifespan: This smoke detector offers 10 years of continuous protection in a compact design; the built-in 10-year lithium battery will not need to be replaced for the life of the alarm

Wireless Connection: Up to 24 X-Sense Link+ wireless alarms, including smoke alarms, carbon monoxide alarms, and combination alarms, can be linked via RF technology, creating a wireless safety network that covers your whole house

Flexible Network: The battery operated smoke detectors in this multi-pack have been pre-connected; to customize your network, simply add new devices to the existing network or disconnect the devices to form new networks

HIGHER SECURITY & COMPACT SIZE: Featuring an upgraded smoke sensor with the latest photoelectric technology, this smoke alarm responds to hazardous smoke quicker than traditional alarms with an over 85 dB loud alarm and a rapid flashing LED indicator, giving you extra time to control the fire or safely escape

10-YEAR BATTERY SMOKE DETECTOR: The 10-year battery-operated fire detector reduces the trouble of frequent battery replacement; keeps your family safe by providing reliable, 24/7 uninterrupted protection, allowing you to sleep safe and sound

EASY TO INSTALL: This mini smoke detector has a diameter of only 78 mm, so it can be unobtrusively installed anywhere easily; effortlessly mount it onto any wall or ceiling using the included screws and anchor plugs

120 V AC Hardwired Smoke Detector with 9 V Battery Backup: This mains-powered smoke detector will continue to function in the event of a power outage due to its replaceable 9 V battery backup, for uninterrupted protection of your home

Accurate Detection with Photoelectric Smoke Sensor: The XP04-S hardwired photoelectric smoke detector is more responsive to smoldering fires and once detected, instantly alerts you in 2 seconds

Reliable Interconnected System: Connect up to 18 X-Sense hardwired detectors to create a comprehensive fire safety system and detect potential danger anywhere in your home

HIGHER SECURITY & COMPACT SIZE: Featuring an upgraded smoke sensor with the latest in photoelectric technology, this smoke alarm responds to hazardous smoke quicker than traditional alarms with an over 85 dB loud alarm and a rapid flashing LED indicator, giving you extra time to control the fire or safely escape

10-YEAR BATTERY SMOKE DETECTOR: The 10-year battery-operated fire alarm reduces the trouble of frequent battery replacement; keeps your family safe by providing reliable 24/7 uninterrupted protection, allowing you to sleep safe and sound

EASY TO INSTALL: This mini smoke alarm has a diameter of only 3.1 in, so it can be unobtrusively installed anywhere easily; effortlessly mount it onto any wall or ceiling using the included screws and anchor plugs

HIGHER SECURITY & COMPACT SIZE: Featuring an upgraded smoke sensor with the latest in photoelectric technology, this smoke alarm responds to hazardous smoke quicker than traditional alarms with an over 85 dB loud alarm and a rapid flashing LED indicator, giving you extra time to control the fire or safely escape

10-YEAR BATTERY SMOKE DETECTOR: The 10-year battery-operated fire alarm reduces the trouble of frequent battery replacement; keeps your family safe by providing reliable 24/7 uninterrupted protection, allowing you to sleep safe and sound

EASY TO INSTALL: This mini smoke alarm has a diameter of only 3.1 in, so it can be unobtrusively installed anywhere easily; effortlessly mount it onto any wall or ceiling using the included screws and anchor plugs

2.4 GHz Wi-Fi Connection: Easily connect this electrochemical CO alarm to the X-Sense Home Security app on your smartphone via a 2.4 GHz Wi-Fi network, without the need for a hub; download the app, sign up, and connect the device

Instant Notifications: Stay connected to your alarm and view all its notifications, including its CO alarm, low battery, malfunction, CO alarm precaution, and more; the Device Sharing function lets you add your family members so you can all keep an eye on your home's safety

Customized Fire Alarm Dispatch Service: The smart alarm supports the subscription-based professional 24/7 monitoring service from the X-Sense Home Security app, giving you access to an emergency dispatch when you need it most to protect your life, family, and property

Ready to Use: Download the app, connect the devices to the app via the 2.4 GHz Wi-Fi network (incompatible with 5 GHz) and then start to protect your home

Real-Time Notifications: When a water leak is detected, a push alert will be sent to your phone, so you’ll be alerted quickly even while you are not at home; you can share the device with your family members so they can also check the device status anytime, anywhere

Know from Anywhere: Once triggered, the water leak sensor and base station will sound simultaneously at a volume of up to 110 dB – loud enough for everybody to hear; simply mute the alarm via the app or push the silence button on the base station or water leak sensor

Cost-Free Real-Time Notifications: Control the XS01-WX smart smoke alarm remotely via the mobile app and get quick app notifications for alarms, faults, and low battery warnings

Direct 2.4 GHz Wi-Fi Connection: The battery-powered smoke detector can be connected to the X-Sense Home Security app via the 2.4 GHz Wi-Fi network without a base station

10-Year Sensor Life: This smoke alarm comes equipped with a photoelectric sensor that detects slow-burning and smoldering fires and has a long lifespan of up to 10 years

10-Year Sealed Battery: Contains a long-life lithium battery that powers the device for its entire 10-year life

2-in-1 Protection: This combination detector protects your family against two dangers-both smoke and carbon monoxide

Simple Installation: Requires no rewiring; easy to mount this fire and CO alarm on any wall or ceiling with the included mounting bracket, screws and anchor plugs

Cost-Free Real-Time Notifications: Control the XS01-WX smart smoke alarm remotely via the mobile app and get quick app notifications for alarms, faults, and low battery warnings

Direct 2.4 GHz Wi-Fi Connection: The battery-powered smoke detector can be connected to the X-Sense Home Security app via the 2.4 GHz Wi-Fi network without a base station

10-Year Sensor Life: This smoke alarm comes equipped with a photoelectric sensor that detects slow-burning and smoldering fires and has a long lifespan of up to 10 years

Entire House Notification: If one alarm goes off, all other interlinked alarms will follow suit, alerting you to danger regardless of where you are

Wide Coverage for Full Home Protection: Interlinks with up to 24 X-Sense Link+ smoke, CO, or combination alarms in a network, ensuring your entire house is fully protected

2-in-1 Protection: Built with a photoelectric smoke sensor and an electrochemical CO sensor to protect your home from 2 potentially deadly threats

Wireless Interconnection: If one alarm detects a threat, all interconnected alarms will activate to sound a warning

Full Home Protection: Up to 24 Link+ smoke alarms, CO alarms, and combination alarms can be interlinked for maximum coverage

10-Year Sealed Battery: Contains a long-life lithium battery that powers the device for its entire 10-year life

10-Year Sealed Battery: Contains a long-life lithium battery that powers the device for its entire 10-year life

2-in-1 Protection: This combination detector protects your family against two dangers-both smoke and carbon monoxide

Simple Installation: Requires no rewiring; easy to mount this fire and CO alarm on any wall or ceiling with the included mounting bracket, screws and anchor plugs

Real-Time Notifications: Receive instant app notifications on your phone when an alarm is triggered or a device status changes

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

Easy Installation: Install this alarm in only minutes with the provided screws or adhesive tape, then add it to the app to get started

10-Year Product Life: This combination smoke and carbon monoxide detector features high-quality sensors and components which are built to last 10 years, protecting your home for a decade; it is hardwired into your home's power with a 9 V battery backup

Detects Both Smoke and CO: The X-Sense detector features a photoelectric smoke sensor that detects smoke from slow-burning fires, as well as an electrochemical CO sensor that detects dangerous CO levels in the air

Reliable Safety Network for Complete Monitoring: Interconnect up to 18 X-Sense hardwired detectors to detect potential danger anywhere in your home, for complete monitoring and safety

Real-Time Notifications: Receive instant app notifications on your phone when an alarm is triggered or a device status changes

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

Easy Installation: Install this alarm in only minutes with the provided screws or adhesive tape, then add it to the app to get started

Easy to Pair: Simply press the test/silence button to pair with your Link+ wireless interconnected smoke alarms or carbon monoxide detectors;

Quickly Locate the Source Alarm: Simply press the test/silence button on the remote controller, and all interlinked smoke alarms but the alarm that detected the smoke will be silenced, so you can locate the fire hazard; press it again to silence the source alarm

Convenient Remote Control: The X-Sense remote controller allows you to easily test all interconnected smoke alarms and mute any false alarms without the need to climb and reach to press a test button; especially convenient for the elderly