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X-SENSE - 10-Year Battery Smoke Detectors with Photoelectric Sensor and LED Warning Light 2 Pack - White

Model: SD21-2
SKU: 13031955
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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.

Features
  • Automatic 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

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Specifications
  • Detector Type
    Smoke
    Sensor Type
    Photoelectric
    Wireless Connectivity
    None
    Power Source
    Battery-powered
    Number of Devices Included
    2
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Reviews

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  • Customer reviews from X-SENSE.com

    Syndicated rating, 3.3846154 out of 5 stars with 13 reviews on X-SENSE.com.

    See all X-SENSE.com reviews

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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.

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Pros for X-SENSE - 10-Year Battery Smoke Detectors with Photoelectric Sensor and LED Warning Light 2 Pack - White
There were no pros for this productThere were no pros for this productInstallation Ease, Overall Performance, Connectivity, Compatibility, DesignThere were no pros for this product
Cons for X-SENSE - 10-Year Battery Smoke Detectors with Photoelectric Sensor and LED Warning Light 2 Pack - White
There were no cons for this productThere were no cons for this productFeatures, Alarm Accuracy, Motion Sensor, Night Light, SensitivityThere were no cons for this product

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