Ultrasonic Warm & Cool Mist: Features warm or cool mist at three different levels; Increase humidity levels 25% quicker than devices using only cool mist. In the warm mist setting, the internal water can be heated to high temperature, which can kill most bacteria in the water Displays Actual Humidity: Always reads the exact value of humidity level so that you can set a suitable and comfortable humidity level based on the surrounding Touch Control & Remote Control: Sensitive touch control panel is easy to operate and the included remote also controls any settings for convenience Huge Capacity: Large 1. 5 Gallon/6L capacity allows for 36 hours of continuous use in Mist Level 1; With a super high mist output of up to 500ml/hr., can easily handle a bedroom, living room, or office Whisper-quiet: Ultrasonic air diffusion produces very low noise for a quiet humidification that even babies cannot hear Smart Auto Mode & Aromatherapy: Designed with Auto mode to automatically diffuse mist to adjust the humidity to the most suitable level. Add essential oils into the aroma box to give you a clean, pure and fresh smelling aroma. Note: DO NOT add essential oil into the water tank and base, or it will cause leakage and stop working High Quality: Water tank material has been updated to ABS plastic, making it less breakable. The special leak proof design makes it different from other humidifiers on the market Easy to Refill and Clean: The wide tank opening makes it very easy to refill with less risk of spills. You can also fit a soft brush or rag through the opening to wipe down the inside of the tank. Note: DO NOT let water enter the air vent while cleaning the humidifier.