You can hang it or place it in any room of your home. Easy to use - Just insert the refill automatic diffuser and battery, and the device and set up a fresh scent and diffuse light at regular time intervals. You can choose between three levels of intervals (9, 18 or 36 minutes) to adjust the amount of fragrance released into the room to your liking. the diffuser is white discreet, fortunately as the volume approximates the litre.Pour under 9 this diffuser will fit in the bathroom or in other rooms but temporarily, a deodorized time the sauerkraut tomorrow.