FIRST ALERT Dual Sensor Smoke and Fire Alarm, SA3210
Amazon.com Price: $43.74 (as of 06/02/2022 16:40 PST- Details)
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Complies with all current 10 year legislation in U.S. states/cities where required
The 10 year lithium ion battery offers continuous power for the life of the alarm and provides continued monitoring even if there’s a power failure
