Product Features Rotary Compressor. High Coefficient of Performance (COP). Special Filters a) Nano Silver Ginsengb) Nano Photo Copper Zink Energy Saver Function. Self Diagnosis Function Dry Mode Energy Saver Function. Dry Mode 2+1 Mode. Auto Louver On / Off Timer Auto Fan Speed Auto Restart. 1.0 Ton1.5 Ton ?2007 Neptune Engineering. \ Site Designed