Unverified80% confidenceCautionTime unknown
老年人独居家庭不建议只买单个独立报警器,应选可无线互联(互联组网)的多只套装:一处报警全屋同时鸣响,避免报警声无法穿透关闭的房门
1
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80%
Confidence
Long-term
Relevance
-
First Seen
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