This is a kind of professional chess competition timer, 3 operation modes design, multi-use, which can satisfied with multiple rules of GO. Support step counting function, support count up / countdown. Easy operation, quickly to select and set the rule. Suitable for Chinese Chess, International Chess and GO. You can have a try.<br> <br> Features:<br> Multi-use, 3 operation modes design, which can satisfied with multiple rules of GO.<br> Support step counting function, support count up / countdown.<br> Easy operation, quickly to select and set the rule and one button to starts.<br> With memory function, it can be used repeatedly after setting once.<br> Equipped with alarm sound, you can open or close it according to your demands.<br> Suitable for Chinese Chess, International Chess and GO.<br> <br> Specifications:<br> Name: Chess Competition Timer<br> Model: YS-902<br> Material: ABS<br> Color: black, yellow (optional)<br> Battery: 2 * AAA battery (not included)<br> Screen size: 103 * 23mm / 4.06 * 0.91in<br> Item size: 140 * 88 * 45mm / 5.51 * 3.46 * 1.77in<br> Item weight: 105g / 3.70ounce<br> Package size: 150 * 100 * 50mm / 5.91 * 3.94 * 1.97in<br> Package weight: 157g / 5.54ounce<br> Packing List:<br> 1 * Chess Clock