D-Link DCH-Z310
Question about DCH-Z310 - 189474
works with Piper too, doesn't it?
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Have 5 of them. They work well. When there is an alarm, I get a push on my mobile phone and the D-Link siren wails.
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I returned it because it was simply not recognised in the set during installation. I now have the homematic smoke detectors and they are simply great.