X-SENSE - 10-Year Battery Smoke Detectors with Photoelectric Sensor and LED Warning Light 4 Pack - White
Model: SD21-4
SKU: 13059742
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.
Programmed to constantly check sensor functionality, battery life, and internal circuitry, providing real-time peace of mind via clear 3-color LED status indicators.
Programmed to constantly check sensor functionality, battery life, and internal circuitry, providing real-time peace of mind via clear 3-color LED status indicators.
Features cutting-edge optical sensors designed to detect slow-burning, smoldering fires rapidly while minimizing nuisance triggers caused by standard kitchen cooking smoke.
Requires no complicated hardwiring; mounts securely to any wall or ceiling in minutes using the included professional-grade heavy-duty mounting bracket and hardware.
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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