NO ESSENTIAL OILS INCLUDED FLOOR-STANDING DESIGN:This hotel collection diffuser is designed to stand on the floor, blending seamlessly into any modern space. Product Dimensions: 4.6" L x 4.6" W x 19.7" H, providing a sleek, stable presence for both homes and commercial environments. 2800 SQ. FT LARGE COVERAGE: Equipped with an upgraded electric pump, This Scent Air Machine can quickly compress the essential oil into the finest mist and spread it into the air, covering up to 2800 sq. ft. This waterless diffuser will be your best choice for large space. REMOTE CONTROL: This Aromadd Scent Air Machine includes a remote for easy control, ideal for users who prefer not to use the app. The remote operates seamlessly within a 3-meter distance. APP SMART CONTROL:With the Aromadd app, you can easily control your scent air machine via Bluetooth, set customized working schedules, and adjust fragrance intensity with ease—creating a comfortable, refined, and convenient smart scent experience. 600 ML LARGE CAPACITY: This scent diffuser has a 600 ml large capacity and you don't need to add essential oils frequently; Let this cold air diffuser bring quality scents with style for any kind of large room, hotel,office, spa, yoga studio. WHY CHOOSE AROMADD ?: The reason for choosing AROMADD is because we not only focus on product performance but also place great importance on scent experience. We are committed to creating the ideal atmosphere for every home and commercial space. AROMADD's hotel collection diffuser uses advanced technology to transform scents into dry particles, allowing every breath to evoke beautiful memories and emotions. AROMADD's mission is to provide everyone with a 5-star hotel scent experience in their daily lives. Aromadd 2800 sq.ft Floor Standing Waterless Diffuser, 600ml Scent Air Machine for Home Hotel Scent Diffuser Cold Air Essential Oil Diffuser for Large Room Office, APP and Remote Control