All LED magnifiers provide a very even illumination of the field of view. The required voltage of 3.6 volt is provided by two batteries (AA or a) via a step-up converter.
所有的LED带灯放大镜都可以提供视场均匀照明，所要求的3 . 6伏电压由两节电池通过一个升压变换器完成。
All LED magnifiers provide a very even illumination of the field of view. The required voltage of 3.6 volt is provided by two batteries (AA or a) via a step-up converter.
所有的LED带灯放大镜都可以提供视场均匀照明，所要求的3 . 6伏电压由两节电池通过一个升压变换器完成。
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