Function: Specially designed to control the damaging effects and enhance room comfort. Have high efficiency and perfect in apprearance. Can be used in the indoors swimming pool, museum, basement, Spa etc. Features: The front panel plastic design. Pretty and compact in apprearance. Horizental and vertical air swing by synchronous motor. The air door can be closed automatically at the end of working. Digital LED colorful dynamic display of fluorescent screen and Intelligent microcomputer control. Defrosting function would start up automatically Display error codes when the machine have problems. Continuously drain water away with water pump. With wheels, easy to move, install and repair. Anti-corrosive and hydrophilic coatings on Aluminum materials. With remote controller for option. CFC free refrigerant( R410A/R407C) Japanese brand compressor 3 years warranty on the whole unit Conformity to CE & RoHS standard.