Latest Cold Air Diffusion Technology: Scent air machine for home adopts the latest cold air diffusion technology, it combines cold filtered air and highly pressurized air to fully atomize essential oils into micro-particles for efficient diffusion, no heat or water required, it will scent your environment in minutes and bring hiqh quality fragrance throughout the room. Easy Control, Easy Use: Our scent machine is very easy to control. Download the app, connect the waterless diffuser via app, set the scent grade. It's more smarter and clear than the regular waterless diffuser that needs you to set the time or grade with the button. Everything is in your control. Large Capacity & Coverage: Hotel collection diffuser has a 400ml large capacity, it can work for up to 45 days, so you don't need to add essential oils frequently. It has an incredible 1000 sq ft coverage, whether you need to scent your bedroom, living room, spa room, office or some other commercial space, it can cover the large areas quickly and efficiently, perfect for creating a wonderful and relaxing ambiance for your environment. Natural & Safe: Cold air diffusers for home release pure dry aroma mist by nebulizing, which avoid any water dilution to the oil, so you could get the pure essential oils which is natural and completely safe for families and pets. You can enjoy all the benefits of aromas without any of the worrying. Just add your favorite essential oils and enjoy the most natural scents. Mess Free & Noise Free: Unlike other cheap essential oil diffusers that create a mess and leave oily and wet residue around, our aroma 360 diffuser for home uses pure essential oils only, no water needed, which is totally mess-free, and you don't have to clean it frequently. And the noise level is lower than 30db, helps create a quite environment for you for better relaxation. Power:5W Noise:Less than 38dba Oil capacity:400ml(Ships without essential oils) Installation: flat / wall hanging Built-in memory button