你可以改变它们的颜色，反光强度。

You can change their color, how much light they reflect.

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各种尺寸颜色形状可镶嵌在不同型号的道钉上，发光的强度系数根据反光珠的数量和向前的角度不同而各异。

These reflectors with different size and color can be used in various Road Stud, the reflective effect is various according to different number of beads and angle.

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而利用透镜和反光镜的辅助设备可使灯光强度倍增。

Refinements in lenses (e. g. , the Fresnel lens) and reflectors made it possible to substantially increase the light's intensity.

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