Scent Every Corner: With a 200ml capacity, our fragrance diffuser covers rooms up to 2000 sq ft, filling every nook with delightful scents. Ideal for sports and fitness centers, spas, yoga studios, healthcare facilities, living rooms, offices, and hotels. Portable Design: The SAM200S smart scent air machine can be powered by a Type-C USB cable or three D-size batteries (not included), allowing you to place it anywhere you want. Smart App Control: The default setting operates for 10 seconds, pauses for 120 seconds, then repeats. Download the free “AIR.ai” app to control the diffuser from your phone, adjust settings, and set a 24/7 timer, even when you're not nearby. Natural and Safe: This waterless scent air machine is pet- and kid-friendly, offering worry-free enjoyment of our delightful aromas. Using cold air technology, the diffuser ensures the scent is delivered without water dilution, maximizing the essential oils' effectiveness.