New in box, Vitruvi Stay Essential Oil Diffuser in white! Box is sealed. Retails for $149. Run Time: 6, 12 and 18-hour run times Color: White Meet “Move’s” larger counterpart called “Stay.” The Stay diffuser has 3 run-time options and can scent up to a 700 sq. ft. space. This one does need to be plugged in at all times to work, hence the name.