Main FeaturesPractical LEAP PQ9905 Quarz Analog Chess Clock
Available for Chinese Chess・ International Chess and I-GOPress the left button・ left timer stop timing and right timer begin timing・ vice versaPress two buttons simultaneous to half・ both timers are in stop state・ insert the clip to make sure the stop state Mode of electronic components + ABS shell
・ environmentally friendly and durablePowered by 1 x AA battery ( not included )Note: It is just a simple chess clock・ no other special functions