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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Winix is a South Korean appliance manufacturer founded in 1973 and headquartered in Siheung, best known outside Korea for its air purifiers. Its range pairs a washable pre-filter, an activated carbon layer and a True HEPA filter with the brand's own PlasmaWave ionization stage, which can be switched off. The connected models add Wi-Fi with the Winix Smart app, air quality and light sensors driving Auto and Sleep modes, and support for Amazon Alexa and Google Home.
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