Unverified75% confidenceFactTime unknown
声光报警器闪光多采用高亮LED，红/蓝爆闪频率通常在1-2Hz(每秒1-2次)，高频闪光在夜间和远距离的定位与威慑效果显著优于常亮
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75%
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Long-term
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Unverified闪光频率1-2Hz（每秒闪1-2次）配合红蓝爆闪最具视觉威慑和引导性，纯常亮或过快频闪（＞5Hz）夜间辨识度反而下降86% similarUnverified闪光频率建议选1-3Hz（每秒闪烁1-3次）的高对比度爆闪，过快的频闪在远处难以辨识为警示信号，红蓝双色比单色白光夜间辨识度和威慑感更强86% similarUnverified闪光频率在1-2Hz（每秒1-2次）时视觉警示效果和辨识度最佳，过快闪烁反而降低辨识度且增加功耗，红蓝双色比单色警示性更强85% similarUnverified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79% 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78% similar
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