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600RPM-19999RPM (4 Stroke)
Laser wavelength: 635 nm
will not continue to move forward
Voltage resolution: 0
5 sets of taps
DT05ah Mechanical International Chess Clock(Black) imak 600RPM-19999RPM (4 Stroke)1. No battery needed, clockwork drive, easy to use, similar to quartz clock operation 2. Divided into left and right movements, each full spring can last for no less than 36 hours, and the daily error of travel time accuracy is about 3 minutes 3. Material: plastic case, zinc alloy movement 4. Maintenance: The chess clock should be protected from contact with corrosive substances, avoid exposure to sunlight, rain, drop and close to strong magnetic
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