The AIRIA Starter Kit contains an Alexa and Wi-FI enabled AIRIA Smart Whole Home Scent Diffuser Device and one Ocean Clover Fragrance Refill Cartridge. The AIRIA Smart Scent Diffuser works best when paired with the AIRIA App that lets you set schedules and control the scent through your smartphone. This gives you full control over your scent experience and gives you the best scent when you want it! Whether large or small, AIRIA delivers a consistent fragrance experience throughout your space for up to 1,500 square feet of coverage*. Our Patented SmartJet technology delivers a no fade scent experience via "lighter than air" micro-droplets that disperse throughout your home, moving along your home's natural air flow. *At intensity Level 10 Intensity **Based on Actual Consumer Usage Rate