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klven
发表于 2022-10-1 11:07:07
能够看看这款,关闭式锂电,可多个无线互联
The Voltex battery powered wireless photoelectric smoke alarm comes with non-replaceable lithium battery that lasts more than 10 years and is
fully compliant with all national codes and local building regulations
.
https://www.voltexelectrical.com ... s-interconnect.aspx
我刚刚经过电工购买装置、提供证书(电工说里面没有批发的), |
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