X-SENSE - 10-Year Battery Wireless Interconnected Smoke Detector with Photoelectric Sensor and LED Warning Light 1 Pack - White

Get alerted the minute a dangerous hazard threatens your home with the 2-in-1 smoke and carbon monoxide detector. Engineered to tell the difference between dangerous smoke and burning food, so you’ll always know when there’s a real emergency. It’s also backed by SimpliSafe’s award-winning security system and 24/7 professional monitoring—any time there’s trouble, emergency assistance will be quickly sent to your front door.* Setup is easy too with the included hardware. Plus, thoughtful notifications will give you daily updates on your detectors’ status, so you know it’s working properly. *Emergency dispatch is available with select monitoring plans.

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.

Upgrade your home safety to a fully linked security network with the X-Sense SD20-W Wireless Interconnected Smoke Detector. Perfect for multi-story residential properties or expansive layouts, its advanced wireless technology ensures that if one alarm detects danger, all interconnected units sound simultaneously to alert the entire household. For total peace of mind, the alarm runs automatic self-tests constantly, using a clear 3-color LED light to show its active, healthy status. It is the perfect, code-compliant choice for homeowners and Pro contractors looking for premium safety with zero hardwiring.