Mechanical Game Counting Internationaled Alarm Timer Che Clock Competition ToolSpecifications:It is suitable for international che, Chinese che, Weiqi and other competitions.The game clock adopts a mechanical structure with timing start button, which makes timing operation intuitive, convenient and accurate.The daily error is not more than 1 second, and it is suitable for all kinds of timing clocks.Usage:1.Operation method of timing button: pre the left button to stop the timing of the left clock and start the timing of the right clock. Conversely, pre the right button, the right to stop the timing, the left start the timing, both sides of the button at the same time preed under half (that is, both sides of the button in the same horizontal position), two clocks are in the state of stop timing.2.Zero adjustment of the second handBy alternately operating the buttons on both sides, the two clock and second hands can be adjusted to the position of 12 o 'clock (zero) in turn, and the hour hand can be moved to the position of 12 o 'clock according to the direction of pinhole arrow on the back of the clock. In the game clock, the minute hand zero judgment takes the minute hand to push the judgment mark "little red flag" to the right to reach the position of 12, and the scale pointed by the minute hand at the moment when "little red flag" falls freely is zero.Type: Mechanical Che ClockMaterial: ABSFeatures: Digital Display, Time Saving, Accurate, TimerSize: 15cm x 5.5cm x 9cm/5.91" x 2.17" x 3.54" (Approx.)Notes:Che clock should avoid contact with corrosive objects, avoid exposure to sunlight, rain, fall and close to strong magnetic field.Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x Mechanical Che Clock