后尾灯是指装在车辆后面的、通常主体颜色为红色的灯。主要指汽车后面用作对尾随车辆警示时的红色刹车灯(示宽灯)。起方向指示作用的的琥珀色转向灯。起到辅助观察作用的白色倒车灯。LED尾灯具有出色的光源强度,即使在雾天也能保持极高的能见度。与传统灯具相比,发光二极管具有一系列技术优势,其中反应时间极短、使用寿命长是最重要的优势。及时看到前方汽车的刹车灯有助于减少驾驶员的停车距离。比如在同等条件下以100km/h的速度制动时,及时看到前方汽车的刹车灯,可以使驾驶员的停车距离减少5.5米左右。
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