Air Cooler: The Arctic Air Ultra is a portable air conditioner that cools, humidifies & purifies.This personal space cooler features three fan speeds & a multi-directional air vent.Quiet & Portable: The lightweight & whisper-quiet fan plus soothing night light make it perfect to use overnight for a comfortable sleep. Arctic Air Ultra is energy efficient & freon-free!Efficient Cooling: Hydro-chill technology pulls in hot air through an evaporative air-cooling filter & turns it into cool, refreshing air instantly. Simply add water to the top fill water tank & press the button.Convenient And Practica: Lightweight and compact at 9 inches x 7 (21 x 21 x 26 cm) inches for portability so you can take cool air around with you anywhere in your home