Sunpentown SPT SU-2081R Digital Ultrasonic Humidifier with Hygrostat Sensor, Red Whisper-quiet ultrasonic humidifier for rooms up to 400 square feet Built-in ionizer; 10 mist output levels; 360-degree adjustable mist nozzle 2-4/9-liter water tank; output capacity of 7-1/2 liters every 24 hours Digital control panel with LCD; hygrostat and temperature sensor; nightlight Measures 10-3/4 by 5-3/4 by 11 inches