DEHUMIDIFIER 4 LLITRES WATER TANK CAPACITY EXTRACTING UP TO 20 LITRES PER DAY DEHUMIDIFYING UP TO 484 SQ.FT. OR 45 METRE CUBIC SEMI-PERMANENT BUILT-IN IONIZER UP TO 20 MILLION PER CM CUBIC NEGATIVE IONS CHILD-LOCK FUNCTION AUTO HUMIDITY SENSOR POWER EFFICIENT ROTARY COMPRESSOR