For better sleep, free airways, less coughing, healthy sinuses and gentle skin. With the PC-LB 3077 from ProfiCare including ultrasound technology you get an effective humidifier for rooms up to 50-60 m². Whether in the children's room, bedroom, living room, kitchen or in the office of the humidifier with the active carbon filter is antibacterial and prevents scale build-up. Choose from 3 operating modes to suit your well-being:Sleep mode / power saving mode: Whisper-quiet operation with dimmed control panel for minimum power consumptionAutomatic: Automatic adjustment of the air humidity from 45 - 80 %3 power levels:Thanks to the extra large 5 liter water tank, the humidifier can work for up to 40 hours at a time. If the filling quantity is low, the device informs you with an electrical note. In addition, the PC-LB 3077 scores with a minimum condensation formation thanks to a water atomization to the finest fog particles (10) and a timer function (1, 2, 4, 8 hours).Optimum humidity