ARO-MAX BY AROMELY Key Features: Diffuse coverage for up to 16,000 SQSF. Bluetooth controlled. Cold air diffusion technology transforms the essential oil into very fine, dry nanoparticles for more consistent coverage while maintaining the purity of the scent. No residue. Safe for pets, children, and furniture. Adjustable time setting 24 hours and 7 days. Large bottle of 800ml. HVAC, Stand-alone and wall-mounted Large Commercial and Residential Luxurious and modern metal design Professional HVAC scent diffuser suitable for large commercial and residential applications. ARO-MAX by Aromely is perfect for large applications such as large houses, medical offices, warehouses, restaurants, hotels, car dealers, hospitals, theaters, etc. ARO-MAX uses advanced cold diffusion technology which means that during the high-pressurized dispersion process the essential oils are transformed into a lightweight, dry nano-mist, which stays suspended in the air longer offering more coverage without altering the smell or the therapeutic benefits of the essential oils. This type of advanced atomization technology is also residue free and safe for pets, children, and furniture.