The Google Nest Protect Wired Smoke and Carbon Monoxide Detector is a cutting-edge home security device that offers peace of mind and protection. This white-coloured detector is hardwired for reliability and features smart home compatibility with Nest. Manufactured in 2015, this Google Nest product includes 3 batteries and is designed with Wi-Fi connectivity for easy monitoring. With a sleek diameter of 1.5 inches and a weight of 0.5 lb, this smoke and carbon monoxide detector is a must-have for any modern home. *** Expiring in Aug 2025 ***