10 year alarms don't really last 10 years...

来源: borisg 于 2024-09-08 04:15:03 [] [博客] [旧帖] [给我悄悄话] 阅读数 : (106 bytes)
回答: 请教，哪种警报器最好？ 由 lovecat08 于 2024-09-08 03:56:16

expect them to last shorter than that. But they do save you a lot of trouble replacing batteries.

所有跟帖： 

• 这种好像不可replace电池，到期，就全丢了。约39元。 -lovecat08- ♀ 给 lovecat08 发送悄悄话 lovecat08 的博客首页 (0 bytes) () 09/08/2024 postreply 04:27:05

• in some state the replaceable battery alarms are no longer -borisg- ♂ 给 borisg 发送悄悄话 borisg 的博客首页 (83 bytes) () 09/08/2024 postreply 04:42:45

• 好像都规定得安在天花板。。。。。。。。 -lovecat08- ♀ 给 lovecat08 发送悄悄话 lovecat08 的博客首页 (354 bytes) () 09/08/2024 postreply 04:49:36

• I think it has to be on the ceiling or on the wall but -borisg- ♂ 给 borisg 发送悄悄话 borisg 的博客首页 (63 bytes) () 09/08/2024 postreply 05:13:22

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