| This hardwired smoke alarm features a hush button for instant silence when an unintended bag of popcorn is overcooked Hardwire up to 24 compatible devices carbon monoxide gas fire and smoke detectors on a single circuit It has a 9 volt battery backup included with a unique front load door providing easy access to the battery without having to remove the entire alarm The adjustable mounting bracket allows for fast installation and perfect alignment It can be installed on any standard electrical box and up to a 4 inch octagon junction box This model comes in white and has a five year limited warranty |
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