The present invention describes an emanation device that is adaptive to its surrounding environment. In one embodiment this device includes a housing adapted to receive a container of fluid and sensor means provided by at least one motion sensor means and/or at least one odour sensor means, emanation means adapted to emanate a fluid, a controller in communication with said sensor means and said emanation means, wherein the controller is operative to analyse the input from the sensor means and make a determination of the quantity of fluid to emanated in response to said input and instruct the emanation means to emanate the determined quantity of fluid.
