Model : KN-1184 (BLUE) Category : AC/DC Air Cooler Power : 220-240V 50/60Hz Watt : 40 Battery : 12V 4.5Ah Rechargeable Sealed Lead-acid Battery Charge Time : 12-15 hours DC duration : ?2.5 hours/DC high speed , ?5 hours/DC Medium speed , ?7 hours/DC Low speed Water Tank Capacity : 6L Dimension : 400*290*840mm