| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a housing information board capable of surely turning on a crime prevention switch even though people in a dwelling unit go out hurriedly in the morning to forget to turn on the crime prevention switch. Ž<P>SOLUTION: In the housing information board for outputting alarm when a crime prevention sensor operates, wherein the crime prevention sensor is installed at a door or window, the crime prevention sensor is connected to the housing information board, and the housing information board is provided in a dwelling unit, and a timer can preset a security start time by the crime prevention sensor. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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