Unverified85% confidenceTradeoffTime unknown
拉环式报警器一旦拔出拉环即无法用手掌捂住喇叭消音,比按键式更抗对抗(防止歹徒捂停),但代价是误触发后重新复位较麻烦、容易惊扰他人
1
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85%
Confidence
Long-term
Relevance
-
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