Multifunctional chess clock mute game Go chess timer

Type: Electron
Material: ABS.
Waterproof: No
Whether with pause: No
Specification: As shown
1) Press the left and right buttons alternately, and adjust the second hands of the two clocks at the position of 12 o 'clock in turn. Press the left and right buttons at the same time, and the clocks on both sides are in the state of stop timing.