放大镜——展示
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日行千里 随身好眼
型号：千里眼
口径：25mm
倍率：10
详细介绍：
* 发光管寿命长（十年以上）
* 的保色光源能保持有颜色的东西色彩不变
* 简单易用，在夜间可作为小型手电使用，有两个广告面可供印刷。
* 耗电量少，两个力电池（CR2016）或一个（2R2032）连续通电100小时
* 方便系带（配匙扣）
注意：推动开关把灯光打开，将打开的镜片放置水平与物体表面该镜片里被观察物体2.5CM为放大倍数，眼睛里镜片越近被观测无失真度越低镜片中心处观察物体！“千里眼”是居家旅行的好帮手。
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