| 摘要 |
PROBLEM TO BE SOLVED: To provide a crime prevention buzzer capable of daily performing a test.SOLUTION: The crime prevention buzzer includes: a sound output part (112) for outputting a sound notifying a surrounding area of a dangerous state; an output switch (103) for operating a sound output part to output a sound; a small sound volume circuit (120) for decreasing a sound volume output from the sound output part; a test switch (102) for making the small sound volume circuit to become conductive by operating the switch; and an energizing member (119) for energizing the test switch to a non-operation state. |
