Have a shared office? Don't want to perfume your entire store? Look no further. Easily control the intensity, days, and times of operation. This product is our most flexible! Works in spaces that are around 1000 sq. ft. Always ships free! -Sleek design -Excellent for medium and large areas. - Allows to quickly and easily control the frequency and intensity of the fragrance. - Requires electricity, needs to be plugged in.