This waterless scent diffuser is ideal for large room, office, studio, spa, yoga, hotel etc...The waterless atomization technology design will help you work more efficiently, as there is no need to deal with adding water all the time unlike other diffusers. The dimension is 5.53"L x 2.58"W x 7.01"H with 120ML oil capacity bottle which can provide excellent coverage up to 2000 sq.ft. It is portable and you can put it anywhere you like. Put the diffuser on the table or hang the machine on the wall. The easier,cleaner way to create your fragrance system: Experience longer-lasting, evenly distributed fragrance. Good fragrance can help your ability to concentrate and focus. The peace and calm evoked by aroma diffusers can help you reduce feelings of stress and nervous irritation that often accompany those changes. With its remote control and the bluetooth function, you can easily control the device. The white/black color of the smart scent diffuser is elegant and modern, compatible for any style of home decor.