SPRAYING DEVICE AND REFILL THEREFOR

摘要

A spraying device (10) with a replaceable refill of fluid (16) therein is described., wherein the device is provided with detection means (38) within the inner housing configured to distinguish between at least one area of lower reflectance and at least one area of relatively higher reflectance on the spray head of said refill; and the detection means are directed toward either a right side or a left side of the neck portion of a spray head and a corresponding side of the neck portion (44) of said spray head is provided with said at least one area of lower reflectance and at least one area of higher reflectance. Methods of operation of such a spraying device are also described.