Powerful Air Purifier with 2X Air Inlet for Large RoomsOur air purifier for home large room features a double-sided air inlet design, a feature that makes it unique. With air intake on both sides, the enhanced airflow allows our air purifier to cover large areas with ease. Whether its a spacious living room, a large bedroom, or an open office space, this air purifier can handle it with ease. It circulates the air faster, allowing the fresh air to reach every corner. Air Quality Display and Smart Auto ModeOur home smart air purifier for smoke is equipped with a PM2.5 sensor that monitors the air quality in real time and displays it on the screen. In auto mode, it can adjust the fan speed according to the air quality. When the surrounding air becomes turbid, the indicator light will turn yellow or red, and the fan will automatically speed up. Smart Control with AppYou can set and adjust the True HEPA air purifier through the mobile application.