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Red LED Binary Wristwatch with Black Strap and Rows of LED Shows Hours/Minutes
生产所需时间:
45 日
运送方式:
sea, air, courier
产品型号:
WA-139
品牌:
OVO or Your brand
性别:
男女通用
时间显示:
跳字
Benefit:
Brain training
描述
联络供应商
描述
- Binary representation time display
- LED lights indicate the hours and minutes
- One row of LED shows hours (8-4-2-1), add all numbers-lit to get the right hours
- Another row of LED shows minutes (32-16-8-4-2-1), add all numbers-lit to get the right minutes
- Fun to use and a tool for brain exercise
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