Water Tank Capacity : 1.4 Liter Variable mist control Wattage : 18 W Humidity control 60% +/- 5% Ideal for Small Room 10 Sq m Output at High Setting : 130mL+/- 30mL/hour Running on Slow setting : 8 Hrs Minimum/Tank Range Setting Digital LED Light Auto shut-off , when unit is runs out of water