Unverified80% confidenceFactTime unknown
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
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80%
Confidence
Long-term
Relevance
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