1.Transparent Lower housing: Fully transparent lower housing design for a direct, clear view of collected pet hair. 2.Enhanced Suction: Upgraded suction performance targeting airborne and ground-level hair for more efficient capture. 3.Air Quality Indicator & Ambient Light 2-in-1: A top-mounted PM2.5 air quality indicator combined with a lower-shell ambient light for intuitive status monitoring. 4.4-in-1 Filter: Primary, H13 HEPA, activated carbon, plus replaceable pet cotton layer. 5.Odor Control: Top essential oil box for neutralizing pet odors. 6.Compact Size: Meets Amazon  standard size, fits various home spaces. 7.Auto Purification: Infrared sensor adjusts wind speed based on real-time air quality. 8.Smart Display: Large top screen with air quality values, light ring, filter status, child lock, and auto mode.