A recessed box is adapted for mounting one or more electrical devices having an adapter. Separate valves are provided on the single shaft actuator for each of two valve body slots, each body slot being closed or opened according to the position of the single shaft. The plurality of parameters in the storage unit controls the receiving and transmitting. This increases liquidity and tracks risks and associated values even as derivative instruments are created. In the receiving section 102, the name and so on of an aged person is outputted from a speaker 12, and furthermore, a warning light 13 is lighted and a vibrator 14 is vibrated to notify an emergency. Eliminating or minimizing coating material located within the openings preserves the functionality of the stent.