Air Humidifier recommended room size: 40m2, ultrasound, power consumption: 280W, humidification capacity: 550ml/hour, water tank capacity: 4,5l, noise level: 26 dB, humidity maintenance, moisture measurement, backlights, manual setting, automatic mode, aromatherapy (suitable for aromatic oils), quiet operation, power regulation, automatic shut-off when tank is empty (+ alarm) and air heating, colour: white and black