| 摘要 |
PROBLEM TO BE SOLVED: To provide an alarm device capable of materializing a specification having draining and a specification having water-proofing, by one housing.SOLUTION: An alarm device 1 is equipped with a case 20 formed with a lens opening 13, and a cover 20 engaged with the case 10. The cover 20 has a draining hole 23a for draining water entering inside. The case 10 and the cover 20 have a first engaging position engaged while the draining hole 23a is opened, and a second engaging position engaged while the draining hole 23a is blocked. The case 10 has a first notch portion 11b, and a second notch portion 11a which has a longer notch than that of the first notch portion 11b. When the case 10 and the cover 20 are engaged, the second notch portion 11a opens the draining hole 23a provided in the case 10.SELECTED DRAWING: Figure 1 |
