The Fire Angel Smoke Alarm St-622 is a white smoke detector unit with a battery included, providing a 10-year manufacturer warranty. It is compatible with Samsung SmartThings and has smart home protocol for Powerline/UPB. With an operating sound rating of 90 dB, this smoke alarm is a reliable choice for home security. It features a battery backup for continuous protection, making it an essential item for any household's safety and peace of mind.
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