Description:SpecificationsMaterial: ABSApplicable: chess, I-GOSize: 14X8.8X4.5 cmBattery: 2 X AAA batteriesProduct DescriptionPortable Digital Sports Electronic Chess Clock I-GO Competition Board Game Count Up Down Alarm TimerFeature:Simple operation with memory functionQuickly select, set rules, and start with one clickSet once, use repeatedlyWith step functionSpecification:Material: ABSApplicable: chess, I-GOSize: 14X8.8X4.5 cmBattery: 2 X AAA batteriesNote:Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you Please allow 1-2cm measuring deviation due to manual measurement.Included1*Chinese Chess Timer