Unverified70% confidenceFactTime unknown
闪光报警灯选红色+高频爆闪比白色常亮更醒目，红色在夜间和白天都有更高辨识度，配合声音才能形成有效求助信号
1
Sources
70%
Confidence
Long-term
Relevance
-
First Seen
Sources
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Unverified闪烁模式优先选红色爆闪或呼吸灯而非常亮模式：爆闪模式在同等亮度下辨识距离比常亮远2-3倍，且能显著降低功耗延长续航；红色比白色更容易被人眼判定为'警示'而非'路灯'89% similarUnverified红光频闪比白光更省电且夜间对救援直升机/搜救人员更醒目、不易与民用灯光混淆，作为求救信号红光可见性优于同流明白光85% similarUnverified红光信号在远距离穿透力和辨识度上优于白光，白光耗电快且强光下辨识度低；求救优先选红光频闪，营地照明选白光/暖光84% similarUnverified红蓝/红色高亮LED闪光在白天可见度远高于夜间，室外白天威慑需选带频闪（1-3Hz）的强光型号，单一常亮灯白天几乎无威慑效果82% similarUnverified具备白光、红光和高显色辅助光三种光源，红光模式适合夜间保持暗适应，是同重量级头灯中功能较全的选择82% similar
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