Chess Clock Chinese Chess / Go / Chess Games Timer Clock Game Timer Chess Digital Timer Board Game Clock This chess clock is suitable for most kinds of chess games. It has 42 kinds of timing rules. It is easy to operate and can be silent, provides a nice timing tool for games. Chess Clock Chinese Chess / Go / Chess Games Timer Clock Game Timer Chess Digital Timer Board Game Clock: It has 42 preset rules, multi-function and wide ranges of application.Turn off the machine and turn it on again to keep the parameters of the game before turning it off.It can add seconds, limit times and read seconds.Can display the number of chess steps, can be silent, does not affect players playing chess.With countdown function, can carry out multi section countdown, positive timing function and each step delay function.Big seesaw button, nice handle, quick reaction, easy to control.Different timing parameters can be set on the left and right sides. During the competition, the timing parameters of both sides can be modified. Specifications: Package weight: 400g / 0.9lb Item weight: 245g / 8.6ounce Material: plastics + metal Battery: 2 * AA: 1.5V, 800mAh (Delivered without batteries) Item size: 161 * 100 * 62mm / 6.3 * 3.9 * 2.4in Package size: 150 * 100 * 50mm / 5.9 * 3.9 * 2.0in Packing List: 1 * Chess Clock It has 42 preset rules, multi-function and wide ranges of application. Turn off the machine and turn it on again to keep the parameters of the game before turning it off. Big seesaw button, nice handle, quick reaction, easy to control. It can add seconds, limit times and read seconds. Can display the number of chess steps, can be silent, does not affect players playing chess.