... DC12V, AC220V three intelligent power conversion, liquid crystal display, large air circulation, and all kinds of smoke smell formaldehyde, toluene and ... the work of 5 minutes, shut down automatically. 3: large solar power system and DC12V, AC220V three sets of power ... down organic matter and chemical substances, clean air. 5: large circulation volume: 12.8 cubic meters per hour, effective use of ...