Despite its low power consumption, the Karl Big residential and commercial grade air moisturizer unit can humidify rooms of up to 1600 square feet in no time at all. Whether it is a large office or a spacious bedroom or lounge, the quiet, portable cold must evaporator can provide any big space with healthy and pleasant humidity. In auto mode, the Karl big humidifier adjusts its performance independently to achieve the desired level of humidity within a range of 40–55%. The efficient indoor cool mist evaporator has an impressive 11-litre water container that can be filled via a lift- up flap on the top of the device. When the water container is empty, the smart phone ready Karl big air moisturizer machine will switch off automatically. Smartphone app connectivity allows users to control all functions of the WIFI enabled Karl Big as well as view real time humidity levels even while you’re out and about. And for undisturbed sleep, the Karl big humidifier is silent, and its LED function lights can be dimmed or switched off altogether. Making this top-rated and affordable humidifier great for bedrooms, baby nurseries, offices, classrooms, and anywhere you need to quietly control indoor moisture levels.