The AH550 Original Connect Humidifier creates healthy humidity and naturally reduces harmful substances in the air in spaces up to 645 square feet with efficient filter-free humidification technology. As a disk stack rotates in the water reservoir, clean water evaporates to humidify the air in your space. This cold evaporation process is recognized as the best humidification method. The intuitive touch display ensures ingeniously simple operation with fully automatic control. The AH550 Original Connect Humidifier is WiFi compatible with the Smart Life app, allowing you to manage and control your device even when you are away from your device. The digital touch display offers intelligent control, with auto-mode, sleep mode, and convenient service indicators. Tap to switch on or off and select between three power levels using + and –. Sleep mode will automatically dim the display and reduce the fan speed allowing for a restful night’s sleep. Auto mode will automate the power level based on the desired target humidity level between 30-70%. Controlling the Original Connect Humidifier for ideal indoor air quality couldn’t be easier. The display even indicates when actions are due. Thanks to the integrated hydrostat, the display indicates and controls the air humidity in real-time. Ideal for a master bedroom, living room, and other spaces up to 645 ft².