The BNIB Google Nest Smoke Carbon Monoxide Alarm is a white, hardwired detector with a sleek design and advanced features. This 2nd generation model, S3003LWEF, manufactured between 2017 and 2021, offers smart home compatibility with various platforms like Apple HomeKit, Amazon Alexa, and Google Home. With its Bluetooth, Powerline/UPB, and Wi-Fi connectivity, this smoke and carbon monoxide alarm provides reliable protection for your home while also being easy to install and operate.   Brand new in box factory sealed.