[KongchangAI]
Unverified85% confidenceTradeoffTime unknown

报警灵敏度与误报率是核心矛盾:灵敏度调高会把久坐不动、深睡浅呼吸误判为异常,调低则可能漏报真实跌倒;选购应关注是否支持多级灵敏度可调+静止时长自定义阈值,而非追求单一高灵敏

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