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Ensure round-the-clock safety with sealed 10-year lithium batteries and photoelectric sensors that reliably detect smoke without the false alarms common in ionization models. 🔥 
Interconnect up to 8 units wirelessly so that when one alarm sounds, all units alert instantly—perfect for larger homes and multi-level layouts. 🏠🔗 
Enjoy DIY installation with self-adhesive or screw-in mounting options, an easy-access test/silence button, and coverage up to 215–430 sq ft per unit for comprehensive protection. 🛠️
Includes three X-Sense SD2L0AX alarms, mounting brackets with screws and anchors, plus a quick-start guide—everything you need for immediate setup. 📦 🔋 
$22.00
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Interconnect up to 8 units wirelessly so that when one alarm sounds, all units alert instantly—perfect for larger homes and multi-level layouts. 🏠🔗 
Enjoy DIY installation with self-adhesive or screw-in mounting options, an easy-access test/silence button, and coverage up to 215–430 sq ft per unit for comprehensive protection. 🛠️
Includes three X-Sense SD2L0AX alarms, mounting brackets with screws and anchors, plus a quick-start guide—everything you need for immediate setup. 📦 🔋