如果在掛燈的後麵有插座，就可以了。用電池可能有點費電，每次換還要取下，有點麻煩。

來源: woodsensor 於 2017-11-25 14:29:05 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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