First Alert SA521CN Wireless Interconnected Hardwired Photoelectric Smoke Alarm with Battery Backup


On Sale Now! Save 2% on the First Alert SA521CN Wireless Interconnected Hardwired Photoelectric Smoke Alarm with Battery Backup by First Alert at Defy Now. MPN: SA520B-SA521CN. Hurry! Limited time offer. Offer valid only while supplies last. This First Alert SA521CN Wireless Interconnected Hardwired Photoelectric Smoke Alarm is ideal for replacing an existing hardwired smoke alarm and then installing more compatible alarms for an interconnected safety network (additional alarms sold separately). Wireless technology makes it possible for the detector to connect with up to 18 First Alert enabled alarms, so when one sounds, they all sound. The photoelectric smoke sensor is designed to reduce false alarms from cooking smoke or shower


4.0 out of 5 stars with 62 reviews
Condition: New
Availability: In Stock
$34.95
$34.55
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Product Description & Reviews

This First Alert SA521CN Wireless Interconnected Hardwired Photoelectric Smoke Alarm is ideal for replacing an existing hardwired smoke alarm and then installing more compatible alarms for an interconnected safety network (additional alarms sold separately). Wireless technology makes it possible for the detector to connect with up to 18 First Alert enabled alarms, so when one sounds, they all sound. The photoelectric smoke sensor is designed to reduce false alarms from cooking smoke or shower

 


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