The Google Nest Protect is a hardwired smoke and carbon monoxide alarm by Google Nest. It is powered by a battery (not included) and has a 2-year manufacturer warranty. With a diameter of 1.5 inches and a weight of 0.5 lb, this white alarm is designed to detect smoke and carbon monoxide efficiently. It is compatible with Nest's smart home system and uses Wi-Fi technology for connectivity, making it an advanced and reliable option for home safety. Opened but unused EXP: 2032
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