X-SENSE - 10-Year Battery Smoke Detectors with Photoelectric Sensor and LED Warning Light 2 Pack - White
About this product
Protect your home and family with the professional-grade reliability of the X-Sense SD21 Smoke Detector. Powered by a sealed 10-year lithium battery, this alarm delivers continuous, decade-long protection without the hassle of annual battery replacements or late-night low-battery chirps. It features an advanced photoelectric sensor that maximizes early detection of smoldering fires while its 24/7 intelligent self-testing system constantly verifies battery and circuitry health. Equipped with a clear, 3-color LED status indicator, this alarm provides instant visual peace of mind so you always know your home is secure at a glance. Ideal for bedrooms and hallways, this compact unit installs seamlessly in minutes for top-tier safety compliance.
Number of Devices Included
2Automatic Self-Testing
Programmed to constantly check sensor functionality, battery life, and internal circuitry, providing real-time peace of mind via clear 3-color LED status indicators.
10-Year Continuous Protection
Equipped with a sealed lithium battery that ensures reliable 24/7 power for a decade, eliminating maintenance costs and frustrating low-battery battery replacements.
Advanced Photoelectric Sensing
Features cutting-edge optical sensors designed to detect slow-burning, smoldering fires rapidly while minimizing nuisance triggers caused by standard kitchen cooking smoke.
Easy Installation
Requires no complicated hardwiring; mounts securely to any wall or ceiling in minutes using the included professional-grade heavy-duty mounting bracket and hardware.
Visual Status Indicators
Features an intuitive 3-color LED light system that pairs with a digital warning display, instantly communicating device power, faults, or active emergency alarms
- Detector TypeSmokeSensor TypePhotoelectricWireless ConnectivityNonePower SourceBattery-poweredNumber of Devices Included2
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Protect your home and family with the professional-grade reliability of the X-Sense SD21 Smoke Detector. Powered by a sealed 10-year lithium battery, this alarm delivers continuous, decade-long protection without the hassle of annual battery replacements or late-night low-battery chirps. It features an advanced photoelectric sensor that maximizes early detection of smoldering fires while its 24/7 intelligent self-testing system constantly verifies battery and circuitry health. Equipped with a clear, 3-color LED status indicator, this alarm provides instant visual peace of mind so you always know your home is secure at a glance. Ideal for bedrooms and hallways, this compact unit installs seamlessly in minutes for top-tier safety compliance.
The First Alert® SMI100 Battery-Operated Smoke Alarm is equipped with our Precision Detection advanced-sensing technology and meets the latest industry standards. The result is fewer cooking nuisance alarms and better smoke detection from synthetic materials which burn hotter and faster. That early detection allows you and your loved ones more time to escape safely. The battery-operated basic smoke alarm is easy to install, features a single test/silence button for simple operation, and the front access battery compartment makes for easy battery replacements.
The First Alert® SMICO110 10-Year Battery Smoke and Carbon Monoxide Alarm provides reliable 2-in-1 protection against both fire and carbon monoxide in an easy-to-install detector. Featuring superior safety features like a 1-touch test/silence button to confirm the combination alarm is functioning correctly and silence false alarms, the combination alarm features a built-in 10-year sealed battery that provides uninterrupted power for the life of the detector. No need to worry about the cost or hassle of battery replacements for a decade. An end-of-life warning lets you know when the alarm should be replaced.
Upgrade your home defense system with the X-Sense SC06 10-Year Battery Smoke & Carbon Monoxide Detector. Unlike standard alarms that require frequent battery changes, this advanced unit is engineered to provide a decade of continuous protection. It combines precision dual-sensor technology (Photoelectric and Electrochemical) to rapidly detect both fast-burning fires and smoldering smoke while significantly reducing false alarms caused by cooking steam or shower humidity.Designed for easy insatallation, the unit features a simple twist-and-lock mounting bracket for installation in minutes—no hardwiring required. Meet requirement of UL 217 9th Editon , UL 2034 5th Editon and CSFM safety standards, the X-Sense SC06 is the smart choice for bedrooms, hallways, and living areas, offering professional-grade reliability for your family.
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