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It is used to fix the detector on the wall, could be matched with smoke detector, heat detector and smoke & heat detector....
Overview ATL-957 short circuit isolators are used for the short circuit fault protection of buses. When a bus circuit is operating normally, the GL-957 short circuit isolator will not operate; when a short circ...
Electric Light Wall Mounted PIR Switch 138 Degree Angle High Sensitivity First , scope of application Apply to the stairs aisle, fire escape, public walkway, anti-theft alarm, automatic switch control lighting ...
... Wireless transmit power: <23 dBm Receiving sensitivity: <-135 dBm Theoretical bandwidth: 200Kbs Support wireless transmission of alarm status to server, server address and port can...