Della Portable Air Cooler Humidifier Fan Ionizer Slim Cool Room Conditioner Purifier 4-In-1 System: Evaporative Air Cooler + Fan + Humidifier + Ionic Air Purifier 3 Fan Speeds Mode: Delivers air at a low, Medium or High Speed Sleep Mode: Auto-Timer function with settings from 30 Minutes, Up To 7.5 Hours Versatile lightweight: air cooler can also be used as a fan or humidifierm Air Purification: Built-In Ionic Air Purifier cleans your home's air with every use