Techniques are described for using sensor data derived from a monitoring system to drive personalized content. In the remote-control light receiving unit body, at least a photoelectric conversion device and a signal processing device that processes an electric signal received from the photoelectric conversion device are mounted on a lead frame, and encapsulated in a light permeable resin. A bracket has a slot extends along the bracket. If the user ID read from the image data matches a user ID entered by a user who issued a printing command, the PC issues a print command regarding the image data. The concentric tube can divide the water supply to a plurality of water flows to meet multiple water supply requirements of the toilet tank and simplify the piping configuration outside the toilet tank.