你可以降低灯光强度，但物体表面仍然会偏亮。

You can decrease the intensity, but the surfaces will always be lighted a tad bit.

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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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灯光强度也轻了单独的设置，而它在充电，因此您可以使用您的夜间时钟不同的选择。

Lights intensity also has separate Settings for light while it is in the charging, thus you can use different options for your night time clock.

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