Chess & Go Chinese Chess And Other Electronic Chess Clock Accurate Timing Features: It is often used in Chinese chess, international chess, Weiqi and other training and competitions; Timing rules can be set in advance or modified by yourself; It can automatically calculate the number of moves made by the player and make automatic prompt sound; With a locking switch, to avoid the error caused by mistouching the key; Simple operation, beautiful and durable. Packing size: 15*10*5.5cm Packing weight: 270g Water resistance: Do not soak Conventional packing: color box packing Instructions: Please refer to the instruction Function and operation description 1, the function Timing moves, the maximum timing is 10 hours; Countdown chess: customizable time, the maximum countdown to 10 hours; With loud alarm prompt; 2. Operation: On/off Load the battery and press the "ON/off" button to "ON" to start the machine. Press [on/OFF] to "OFF" to turn OFF the machine. Playing chess on time After starting up, the screen will display "0", which is the positive timing screen. Press the key of "left-right chess" to start the timing of the cocked side. Countdown to chess A. Setting of countdown room: On the timer screen, long press the "Start/pause/Set" button for 3 seconds to enter the Settings between the countdown. The "hour" value starts to flash. Press [+] button once to add 1 to the flashing value, press [-] button once to subtract 1 from the flashing value; Press the "Start/pause/Settings" key to switch to the "minute" numeric blink, and so on to set the other parameters. After setting, long press the "Start/pause/Set" key for 3 seconds to exit the setting. B. Countdown moves: Press the "left and right moves" key, the warped side began to time. When one party has used up the basic time, it will be declared negative. The timing of both parties will stop. Simultaneous alarm for 2 seconds. Pause the move During the timing process, press the "Start/pause/Set" button to pause the timing and then press the button again to continue the timing. Start over At the time of timeout or the end of the match, long press the "Start/pause/set" button for 3 seconds, and both sides will return to the parameters before the start to restart the match. Note: When the display is fuzzy and the "left and right moves" button does not work, it means the battery is low and a new battery is needed. include: 1Chess clock Notes: The product is powered by 2 AA (1.5V) dry batteries. If the battery is low, please replace it with a new one and make sure the battery polarity is installed correctly. Please pay attention to water and moistureproof.