1. Air purifier + Ionizer Design + UVA lamp +Humidifier (4 in 1)
2. Stage: 7 stage purifying
3. Efficient: Customized DC Motor from Japan ,very Quiet, Save energy
4. Quiet: 30dB~55dB, Won't Bother Your Sleep
5. PM 2.5 Indicator display
6. Housing Use 100% New ABS From LG
7. Advantages: filter replacement reminder, children lock,timer, sleep mode, smart mode, reset, LED touch screen, wind speed display