The VUSIGN Smart Air Purifier is engineered for large spaces up to 1800 square feet, making it ideal for spacious homes, open-concept living areas, and offices. It features an advanced multi-stage H13 True HEPA filtration system that captures 99.97% of ultra-fine airborne particles as small as 0.1–0.3 microns, including pet allergens, smoke, dust, pollen, and household odors. With a high CADR of 242 CFM, it efficiently circulates and refreshes air in large rooms. Equipped with a real-time air quality sensor and color-coded LED display, it automatically adjusts fan speed in Auto Mode to maintain optimal air quality. You can also control it remotely via WiFi app to schedule cleanings, switch between modes, and track filter life. Its ultra-quiet Sleep Mode operates at just 24dB, ensuring a peaceful environment for restful nights, while its sleek, modern design seamlessly blends into any decor.