Remote Control: The Effective Distance Of The Remote Control Is 3M, The Remote Control Is Powered By One Aaa Battery (The Battery Is Not Included).All These Functions Can Be Achieved By Pressing The Buttons On The Machine Body And The Remote Control. If You Don'T Use The Remote Control For A Long Time, Please Remove The Battery. Adjustable Light & 4 Timer Settings: You Can Choose From 7 Colors Between Two Modes: Single Color/Color Changing. 4 Timer Mode: 1 Hour / 3 Hours / 6 Hours / Work Continuously. Super Quiet: Adopting Ultrasonic Technology, This Aroma Purifier Is Extremely Quiet When Working. 2 Mist Modes: There Are Two Fog Levels Which Can Be Changed By Pressing The Fog Button. The Sputtering Intensity Can Be Adjusted To Different Degrees. Strong And Weak Fog Output For Different Occasions And Preferences. The Steam Strength Can Be Easily Controlled With Two Adjustable Levels. The Humidifier Can Hold Up To 550Ml Of Water. Auto Power Off: Auto Power Off When Water Runs Out, Safe And Reliable. Effectively Kill Bacteria, Purify The Air, Is An Essential Tool For Home And Office Care Keepers.