Suitable for indoor and outdoor spaces. All you need to do is fill the water tank with cold water or ice cubes and connect it to a USB port for power. It has a filter that is recommended to be changed every 3 to 6 months. It cleans the air without freon or other toxic refrigerants. With 3 cooling speeds, which you can adjust according to the intensity of the cold air you want it to emit. It has a night light that changes colors. Instructions for use are included in the package.