Feature: 1. INTELLIGENT DIFFUSION: This aromatic oil diffuser can control the release and diffusion of aromatic oils through intelligent technology, and can adjust the concentration and strength of the fragrance according to your needs and preferences, so that you can enjoy the aroma experience that is suitable for you 2. HVAC SCENTED AIR MACHINE: This diffuser can be connected to the HVAC system to release aromatic oils throughout the room to achieve the fragrance of air conditioning particles, so that you can enjoy the relaxation and comfort of aromatherapy while enjoying the air conditioning 3. LARGE ROOM AROMATHERAPY: With a coverage of 500 square meters, this diffuser is suitable for large rooms, office spaces, commercial venues, etc., can effectively cover larger spaces, making the fragrance more uniform and lasting 4. FRAGRANCE WATERLESS ATOMIZER: Using waterless atomization technology, this diffuser can effectively maintain the purity and concentration of the aromatic oil, and release the fragrance into the air, so that you can enjoy the original aromatherapy effect 5. LOCK OIL BOTTLE WITH TWO KEYS: In order to ensure the safety of the aromatic oil and prevent misoperation, this diffuser is designed with two keys, which can lock the oil bottle and only authorized personnel can replace or operate, ensuring the safety and reliability of use Specification: Item Type: Smart Scent Air Machine Aromatherapy Bottle Capacity: 300ml Coverage: Approx. 500㎡ Weight: Approx. 1500.00g / 52.91oz . Package List: 1 x Host 1 x Adapter 2 x Keys 1 x User Manual