INDOOR UNIT: 1) high strength , fully covered by iron structure . 2) Powerful air supply facility makes it possible to distribute the powerful airflow to long distance. 3) Draw in outdoor fresh air, change indoor air quality completely. 4) Micro-computer intelligent control, operate easily and control accurately. OUTDOOR UNIT: 1) Air eduction from top with low noise. 2) Protected from hail design jalousie style. 3) Select high efficiency ,energy save ,international famous branded compressor to make you use securely. 4) Especially suit for villatic construction.