This unit is HVAC instal ready or Freestanding - Smart Bluetooth HVAC Luxury fragrance Oil Diffuser for Home or Office. Aroma Diffuser for large areas up to 1800 Sq Feet. App control. Easy setup/install HVAC ready with Large 800ml Reservoir (Black) Easily bring Luxury Scenting into your entire home! Waterless Smart Bluetooth HVAC Scent Diffuser designed to deliver waterless fragrance oil throughout a large area with its premium features & exceptional performance. Perfect for Home, Business, Office, Apartment, or Spa. This HVAC Scent Diffuser Diffuser is the ultimate solution for discreetly delivering luxury fragrance throughoutany home or office. Easy to use bluetooth app allows you to adjust settingsm set timers, and schedule shut off via smartphone or tablet. Consistent diffusion of fragrance oil with no dripping or leaking. The cold air diffusion technology transforms waterless scent oil into very fine, dry nanoparticles for more consistent coverage while maintaining the purity of the scent. This makes it safe for use around children and pets as well as leaving no sticky residue behind. Our smart aromatherapy diffuser is perfect for rooms up to 1800 SQ FT. This home fragrance diffuser can be connected straight to your HVAC system, allowing a luxury scent experience throughout the entire home. Features: *HVAC Instal Ready - Scents up to 1800 sq feet *Pairs with our Luxury Essential Oil Fragrances for Waterless Cold-Air Diffusers *Waterless, Cold Air Diffusion Technology *No residue *Ulta-quiet operation & energy efficient *Automatic Shut Off Package QTY: (1) HVAC Diffuser, Power Adapter, HVAC hoses, Instructions, Magnetic Reservoir Lock