The Google Nest 06A Battery Protect Smoke Carbon Monoxide Alarm is a wireless smoke alarm powered by 6 batteries. It features smart home compatibility with various platforms such as IFTTT, Apple HomeKit, and Google Home. This alarm, designed by Google Nest, offers a sleek white color and operates on both Bluetooth and Wi-Fi protocols for seamless connectivity. With an expiration date of 2028, this alarm provides a reliable and advanced solution for home security against smoke and carbon monoxide hazards.