The set contains two scenting devices for apartments and villas, and two 100 ml essential oils. Device features 1. Wide coverage of up to 600 cubic meters 2.Distinctive and beautiful design 3. Smart and easy control via mobile phone 4. The possibility of hanging the device on the wall without drilling 5. Advanced second generation technology to ensure rapid fragrance release Device dimensions: (57×115×157) mm Do not add water to essential oil