Unverified80% confidenceTradeoffTime unknown
携带便捷性与实际可用性的权衡:钥匙扣式报警器方便随身但音量偏小(约90-110dB),独立便携报警器音量大(125dB+)但需专门放包内,通勤族建议钥匙扣款贴身+包内款双备份
1
Sources
80%
Confidence
Long-term
Relevance
-
First Seen
Sources
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