Other FeaturesLB 88 Black Air humidifer,Dual-Technology:Ultrasonic nebulizers with water vaporization,For rooms up to approx. 48 m2,Removable water reservoir (6 litres) – easy to handle and fill,Ultrasonic nebulizers infinitely variable,air vaporizer can be connected in 3 steps,Water filter optionally available for hard water,Humidification output up to 550 ml/h,Simple operation with control LEDs,Automatic switch-off if tank is empty with display function,Overheating protection,Visible water level in tank,Includes illuminated control ring,Includes 15 aromapads for using aroma,Input: 100-240V~, 50/60Hz, 200 mA,Output: 6V DC, 500 mA,Includes cleaning brush.