It has six daylight white LEDs that use only about 9 watts of electricity at full brightness (the LEDs generate about 240 lumens of light).
它有6个日光白光led，使用仅有9瓦的电力，充分亮度(发光二极管产生大约240流明的光)。
The human eye tends to adjust to local lighting conditions, so an object that looks white in a dimly lit room may in fact be less bright than an object that looks grey in full daylight.
人眼倾向于以适应本地的照明条件，所以，一个物体在昏暗的房间里看起来是白色的，并不比在日光下灰色的物体亮。
The presence of a lot of light (mainly white daylight) can considerably reduce the magnification required. Sometimes, good lighting alone can make reading possible again.
光线（特别是白天的自然光）的强度可以降低眼睛对放大倍数的要求，有时只要有足够的光线，就没有必要再使用放大镜。
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