First Alert Hardwired Wireless Smoke Alarm with Photoelectric Sensor and Battery Backup, SA521CN-3ST

First Alert Hardwired Heat Alarm with Battery Backup, BRK Brands HD6135FB

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Product Review

Reliable heat detector ideal for use in areas unsuitable for smoke alarm installation
Advanced rate-of-rise sensing technology detects high temperatures and rapid temperature rises
Microprocessor-controlled to dramatically reduce occurrence of false alarms
Can be remotely tested and muted using almost any household remote control (sold separately)
Loud 85-decibel alarm is designed to be heard easily

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