Neat multi-sensor gizmo. I just started with ZigBee stuff in home automation and this seems like it has a lot of possibilities. However, I passed over Aqara in general as they seem to work only with their own hubs. If I'm wrong, let me know, but I try to avoid product lock-in.
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“As the mmWave sensor enters a low-power state when no motion is detected, it allows the Aqara FP300 to have a 2 year battery life while being powered by a pair of button cell CR2450 batteries.”
Reading through the marketing bullshit since this is the only number mentioned: It’ll last 2 years if there’s nobody ever in that room. In reality, it’ll last a few months at best and probably less than that if there’s people constantly in the room, as the mmWave sensor will need to be powered non-stop.
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