*Carpex Aroma Diffusers feature advanced micro diffusion technology that converts liquid fragrance into a fine mist and *Releases it directly into the air. *Carpex Aroma Diffuser is designed to maximize the efficiency of Scent delivery and cover larger areas with more intensity. The System uses aroma oil cartridges that are very easily replaceable. Product Features: *Elegant, discrete and user friendly diffusers *Advanced micro diffusion technology *Digital display with twenty?four hour clock *Adjustable starting and stopping times *Adjustable diffusion and stand by intervals *Weekend On/Off function *Coverage up to 5000 Sq. Ft.