United StatesKidde is an American fire safety manufacturer founded in 1917 and one of the largest makers of residential smoke and carbon monoxide alarms. Alongside its traditional hardwired and battery alarms it sells a connected range that adds Wi-Fi, app notifications and voice alerts, including combination units that also monitor indoor air quality and models that report into the Ring app. It also makes fire extinguishers, escape ladders and water leak and freeze detectors.
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LiftMaster is the professional grade brand of Chamberlain Group, the Illinois company that also owns the Chamberlain consumer line, and its garage door openers, gate operators and commercial door systems are sold through authorised dealers and installers rather than retail shelves. Its products are built around the myQ platform, which adds Wi-Fi control, activity history, scheduled closing and, on newer models, built-in video to the garage. LiftMaster openers use the Security+ 2.0 rolling code radio and support Amazon Key in-garage delivery.
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