1.Suited to use it independently. 2.Sensitive to smoke. 3. Restore automatically. 4.2 years warranty. Key features include:1.Smart Technology: Designed to help reduce unwanted or nuisance alarms.2.Single Button Test : Pushing the button to test the alarm3.Dust Cover is included to keep the alarm clean during construction.4.Easy Installation/Maintenance features include two screws for easy access ...
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