Portable: With four wheels and a lightweight design so you can move it around easily. Water tank: Features a 4L capacity tank to improve cooling performance. Low noise: Minimum noise means it won't disturb you, even in your sleep! Air cooler: Get a 4L Straame air cooler unit! Speeds: With three speeds and 180° oscillation so it can spread cool air evenly. Remote: Comes with a remote control, with a 7.5-hour timer and °auto-swing. 4L Straame Air Cooler Unit | Living Social