The SereneLife SLACL5LWH Portable Evaporative Air Cooler is designed to offer an efficient and eco-friendly cooling solution for your home, office, or school. With a 5L detachable water tank and four ice boxes, this cooler delivers an enhanced cooling effect, providing a comfortable environment even during hot weather. The 60° adjustable oscillation, 3 fan modes (natural, normal, and sleep), and adjustable fan speeds make it versatile for different needs, whether you're relaxing at home or working in an office.