[KongchangAI]
Unverified88% confidenceDecision RuleTime unknown

报警音量需≥85dB@3m才符合国标GB 20517要求,睡眠中唤醒需要至少75dB到达耳边;老人或听障家庭应选带频闪灯+震动枕的组合报警

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88%
Confidence
Long-term
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