This beautiful gold diffuser is specially designed to operate with Estéban refresher oils and with essential oils. Height is 10,5 cm, diameter is 12 cm, ideal size for offices. Diffusion time: continuous diffusion (≈5h), alternating every 15s (≈10h). It creates a pleasantly scented bubble with its color changing lights of well-being in your interior. Please read the instructions for use carefully before starting the diffuser.