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• + How long will it takes for the interconnected device’s network test to run ?
• + How long does the interconnected smoke alarm in the group sound after one being made self-test？
• + Why can’t i add matter device D1-M to google platform through ipad?
• + What kind of host do i need to choose to connect heiman smoke alarm 602PC-4 and what should i pay attention with the relay?
• + When the life time arrives for smoke alarm S1-W,will it remind end user on the APP?
• + Is there any software or tool support to operate RF parameter evaluation?
• + Does the RF product operate in a frequency band or just one frequency? If it does operate in a frequency band, how many channels are there?
• + How could i turn off the interconnected siren,it still flash when i teke it off the mains power socket?
• + Why the matter device data rate is generally less than 250 kbps?
• + Why can’t i connect matter device M1-M to Homeaasistant platform? How to connect?
• + What chip do you use for matter device,and what standard and frequency band,channel parameter does it use?
• + What should i pay attention when i install CO detector?
• + We test the HS1CA with HA,why can’t see CO concentration?
• + How to disassemble S1 for battery replacement or reset?
• + Should we consider voltage change when using vape detector?
• + Is the design of low voltage alarm in 2.7V normal?Does it still have many power capacity as the battery used is nomanal 3.0V ?
• + Can i connect heiman wifi water detector WS2WL to google home/ alexa platform?
• + Why the Air quality HS3AQ doesn’t send sound when it detect high CO2 concentration?
• + What should we pay attention when connecting HM-815R to host device?
• + What’s the detection principle of the WiFi motion sensor?