Comes with an option to purchase as a kit with 2 pure essential oil blends: - Mind Spa x 10 ml - Sweet Dreams x 10 ml FUNCTIONS AND FEATURES: - Exterior made of eco-friendly materials: wood, hand-blown glass, aluminium and rubber. - Low energy consumption: the diffuser has a Usage Cycle of 3 minutes On, and 2 minutes Off. Auto Shut-off after 120 minutes. - Lighting: features rotating rainbow LED ambient mood lighting. - Effective coverage on max. diffusion setting is 30sqm. - The unit measures approx. 4in (10cm) wide and 9in (23cm) tall. - Works on any electrical outlet (110 or 220v) and comes with USB and electric UK adapter. - Easy clean with 70% rubbing alcohol. - Full instruction leaflet on use and maintenance included. Presented in a beautiful, recyclable card giftbox."