The Xiaomi Smart Doorbell 3S offers an advanced solution for monitoring your entrance with high-definition video and comprehensive features. It combines cutting-edge technology with user-friendliness to ensure a safe and comfortable home. It provides a sharp 2K resolution (3MP), a diagonal 180-degree wide-angle view, and two-way audio communication with a smart voice modifier for added privacy. It can be powered by lithium batteries or wired, features a loud wireless chime for indoor use, and is weatherproof (IP65). It is compatible with Alexa and Google Voice Assistant and also offers free 72-hour cloud storage for reviewing recordings. The Xiaomi Smart Doorbell 3S ensures detailed monitoring, reliable operation in various weather conditions, and modern convenience for a secure home.