The IQ-B1838, with a remote control,auto timer 1-8 hour,4 wind speeds: HI,MID,LOW, and SILENT. This 4 wind mode: natural, normal,sleeping,smart, has memory for the unexpected power outage which resumes to the original setting within 30 seconds. The automatic shutdown after working for 15 hours without operation, automatic left right, manual adjustment for up-down Horizontal louvers can close after turning off the unit. The water pump protection systems. With ions to purify air, with the HEPA to purify air with a honeycomb filter drying function before storage, has a removal water tank with a capacity of 8L. Cooling power: 100W. Heating