1.ADVANCED COLD AIR DISPERSAL TECHNOLOGY: Unlike traditional ultrasonic diffusers on the market, our home scent air machines use the latest cold air diffusion technology, which combines cold filtered air and highpressure air to fully atomize essential oils into particles for efficient diffusion. 2.LARGE CAPACITY AND COVERAGE: The Hotel Series diffuser has a large capacity of up to 200 ml and can last up to 45 days, so you don't have to add essential oils as often. With an incredible 1500 square feet of coverage, whether you need to scent a bedroom, living room, spa, office or other commercial space, it can quickly and efficiently cover a large area, perfect for creating a wonderful, relaxing atmosphere in your environment. 3.CLUTTERFREE AND NOISEFREE: Unlike other inexpensive essential oil diffusers that create clutter and leave behind oily and wet residue, our home 360 aromatherapy diffuser uses only pure essential oils, requires no water, and is completely clutter, so you won't have to clean it as often. The noise level is less than 30db, helping to create a quiet and relaxing environment for you. 4.2 WAYS OF PLACING: The home scent diffuser comes with a strong adhesive mounting plate and 2 screws, you can easily attach the diffuser to a wall in your bedroom, living room, office, or simply place it on a table or other surface.