The Google Nest Protect Smoke Alarm and Carbon Monoxide Detector is a high-quality and reliable device that offers peace of mind in safeguarding your home from potential hazards. With a sleek white design and a diameter of 1.5 inches, this detector is powered by a battery and is compatible with Nest's smart home system. Manufactured in 2016 by Google Nest, this smoke and carbon monoxide detector uses Wi-Fi technology to communicate with your smart home system, ensuring that you are always aware of potential threats in your home. One mains powered(battery backup) one battery only
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