Features: 1Intuitive Control: The smart scent air machine, through its integrated intelligent technology, allows the control of the release and diffusion of essential oils. You can adjust the concentration of the scent to suit your preferences, ensuring a unique aromatic experience. 2Waterless Nebulization: The diffuser incorporates waterless nebulization technology, preserving the purity and concentration of the essential oil. The scent is gently released into the air allowing you to enjoy a genuine aromatherapy effect. 3HVAC Connection: The smart scent air machine can connect to heating ventilation air conditioning (HVAC) systems. This releases the scent throughout the entire room for a refreshing fragrance, allowing you to enjoy your AC while revelling in the relaxing and comforting benefits of aromatherapy. 4Large Area Coverage: With a coverage area of up to 500, the smart scent air machine is perfect for large rooms, office spaces, and commercial places. It effectively covers a larger area, ensuring a more uniform and lasting fragrance. 5Key Lock Bottle: For safety and prevention of accidental operations, the smart scent air machine comes with two keys to lock the essential oil bottle. Only authorized personnel can replace or operate it, ensuring reliable and secure use. Specification: Item Type: Smart Scent Air MachineMaterial: ABS, aluminum alloyWeight: Approx. 1500.00g/52.91ozAroma Bottle Capacity: 300mlApplicable Range: 500Product Size: Approx. 23.5x8x18cm/9.3x3.1x7.1inFunction: Equipped with two keys to lock the essential oil bottle, no need to worry about leaving it in public places, the exhaust pipe can also be connected to the air conditioning or room ventilation system, so that the entire space is full of fragrance Package List: 1 xSmart Scent Air Machine1 x Adapter2 x Keys1 x User Manual1 x ConnectionPipe