High frequency ultrasound oscillator principle (2.4 MHz) Special filter protection against water scale deposits (absorbs magnesium and oxides of calcium) Produces cold steam (has no effect on room temperature) Very quiet operation: 25 dB (suitable for bedrooms) Automatic or manual regulation of humidification output 3 steam emission levels Operating time can be set using a timer (1-12 hours in twelve increments) Blue backlit LCD display Ioniser Transparent water tank Volume of water tank 6 l Humidification output 300 ml/hour Operating time of 20 hours without the need for a water refill Suitable for rooms up to 40 m2 Automatic shut-off when the water in the tank is used up + alarm Night blue LED light Supplied accessories: cleaning brush Power input: 30 W Dimensions (width x depth x height): 320 x 183 x 339 mm Length of power cord: 1.5 m Weight: 2.9 kg