goyifa
中国 |
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| 产品目录: hospital intercoms |
(产品照片) |
| 规格: | between the host and host each other talk.
can also showed that 10 road extension of the police and maintain a six time (10 seconds,
30 seconds, 1 minute, 2 minutes, 5 minutes long) of music may sound tips
Elections; have 10 electoral Road red light, green color to distinguish ext alarm,
Speaking state.
must be compatible with host, ext. Button or be used with the host, is among ext.
with extensions, can be selected and their mutual-speaking. |
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