24 h Timer ? Automatic Restart ? 3 Level Fan Speed ? 3 Minutes Delay Security System ? 3 step filter system (HAF, Photo-catalyst, dust filter) ? Sleep Mode ? Hydrofilic Aluminium Fin ? Automatic Defrost ? Anti Bacterial plastic material ? Strong Dehumidification Function ? User friendly design of remote controller (back light, phosforized buttons) ? One touch cooling or heating mode selection ? Removable and Easy-Clean front panel and filter ? Single-flap air flowing system ? Quiet design ? Front panel color options ? Vitamin, catechin filter (optional for 9.000 and 12.000 BTU/h)