A selective service providing method using a selective service module, and a home gateway using the same are provided. The dehumidifier includes a cabinet defining an outer appearance of the dehumidifier, a barrier installed in the cabinet to collect condensed water, and a bucket assembly received in the barrier to store the condensed water, the bucket assembly being capable of pivoting frontward. The organic polymer damage-free technique is a non-plasma process, using only thermal energy and chemical reactions to deposit the continuous layer. In such a case, the access control system is notified to alter the user authorization, thereby making the received request an unauthorized request, before the result is transmitted to the user. The disclosure can eliminate a glitch and avoid problems caused by inputting the glitch.