| 摘要 |
PROBLEM TO BE SOLVED: To provide an alarm device capable of easily changing an original product to/from an OEM product and also manufacturing products different in function only by changing decorated panels. SOLUTION: A case main body is composed of a lower case 13 and an upper case 11, a printed circuit board 23 is housed inside the case main body. A fire sensor 19, a gas sensor 25, an alarm buzzer 26 and an electronic component 24 are mounted on the upper case side of the board 23, and each decorated panel 17 of plural kinds of decorated panels which are almost as large as the case 11 and also cover the entire case 11 are formed freely attachably and detachably to/from the case 11. Thus, it is possible to easily change the original product to/from the OEM product only by changing decorated panels 17 to be attached to the case 11.
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