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Timer pen / School supplies

Timer pen
Timer pen

timer pen is a specially designed timer pen for exams. Before the test begins, set the time for the pen. When the examinee holds the pen, he will trigger the pressure sensor at the pen holder. The timer pen will start timing and display the time on the pen holder. At the end of the test time, the electromagnet inside the timer pen is energized, and the tip of the pen becomes magnetic to absorb the ball ball of the pen, making it unable to rotate. If the ink does not flow out properly, candidates will not be able to write. Make the exam fair and just in this way.

University

Chengdu University of Technology

Chengdu University of Technology
Chengdu, China

WangYing,
Chengdu University of Technology

YangXiangqianru,
Chengdu University of Technology

YeFei,
Chengdu University of Technology

ZhuChuanming,
Chengdu University of Technology