Bell & Howell® Sonic Breathe™ eliminates dry air, helps ease congestion. Ultrasonic personal humidifier adds moisture to any room at home, office, or while traveling. Lightweight, travel-size unit produces a cool mist for up to 12 hours with bottled or plain tap water; fits all standard size water bottles (not incl.). Has silent operation, variable settings and built-in night light. Includes AC adapter, travel pouch. Deluxe version has UV light that kills airborne bacteria, mold, viruses. 4¼" L.