PERFECT SIZE FOR YOUR NEEDS: This is a cute humidifier(1.6L) which will be enough for your bedroom, office, or any area that needs some humidity. You can just ensure to refill it whenever empty and it will ensure humidity stays well above 35 or 30% (30 to 50% is ideal humidity). As it's not very big so humidity will never go beyond 50% even if you leave it on and forget about it. Once the water finishes, this humidifier will auto shut off. ULTRAL-LONG RUNTIME WITH FINER ADJUSTABLE MIST: You will prefer the rotary dial as it gives better control for the mist output. The cool mist humidifier provides a light, steady, even stream of humidity without causing the carpet to become damp or create concern that too much humidity is being dispersed. This air humidifier lasts up to 24 hours on the low mist and 8 hours on the highest setting. 22DB WHISPER QUIET: The air humidifier for bedroom lowers the noise level to 22dB ( quieter than the breeze) for quiet humidification without disturbing your study, working, or sleeping. This humidifies last all night with no noise which allows you to sleep through the night with a much better experience.You wake up without feeling dry around your eyes, noses and lips. LIGHTWEIGHT AND EASY-TO-CLEAN HUMIDIFIER: You will like this humidifier because of its simplicity and function. With this lightweight humidifier, you can fill it up easily and carry it back to the stand with no problem. Super easy to clean. Just pour into some water and shake several times. BPA-FREE HUMIDIFIER FOR YOUR CHILDREN: Made of reliable BPA-free material, the cool mist humidifier could provide a fresh and comfortable mist for all your loved ones.