999 days countdown timer days alarm dual-use electronic clock student learning exam time management

999 days countdown timer days alarm dual-use electronic clock student learning exam time management

999天倒计时器天数计时器闹铃两用电子时钟学生学习考试时间管理

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Specifications		Stock	Quantity
White(白色)	USD $0.0	10000 piece available
Black(黑色)	USD $0.0	10000 piece available

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999天倒计时器

单个产品重量：107g（净重）

产品尺寸：156*57.5*13mm

屏幕尺寸：138.4*39.9mm

电池：两粒CR2032纽扣电池

倒计时功能：显示天数、时、分、秒、倒计时限度为999天23小时59分59秒

时钟功能：显示时、分、秒、12/24小时制

背面有磁铁和支架，可吸附在金属表面、摆在桌面上

广泛应用于运动会、高考、重要日程等场景的倒计时

Update time：20250321113204