2 59 20 58.5 100 58 Brand: Tianfu "Three-in-one Board Game Clock Counting (Chinese Chess, International Chess, Go) Model: PQ9907   [Product Parameters Product size: 140*40*95mm Single color box: 171*102* 58mm   Box size: 67.3*31.4*48cm Product weight: 290g Packing quantity: 36 pieces per piece Water resistance: Not submerged Regular packaging: Color box packaging Instructions for Use: Attached at the back   [Introduction to Chess Clock It is often used in training and competitions of Chinese chess, international chess, Go, etc 2. The timing rules can be preset or modified by yourself 3. It can automatically calculate the number of moves made by the player and emit an automatic prompt sound 4. It is equipped with a locking switch to prevent mistakes caused by accidentally touching the key 5. Simple to operate, beautiful and durable   Precautions This product uses one AA dry battery (DC1.5V). 2. Before use, check if the battery quality meets the requirements. If it is not going to be used for a long time, please remove the battery 3. Contact with corrosive substances should be prevented. Exposure to direct sunlight, rain, drops and proximity to magnetic fields should be avoided I. Product Overview: This product is suitable for the forward countdown of various chess and clock competition events.   Ii. Functions and Operating Instructions 1. Function ● Forward timing moves, with a maximum forward timing of 10 hours; ● Countdown Move: Customizable time, with a maximum countdown of 10 hours; ● Equipped with an alarm prompt; 2. Operation ● On/Off Insert the battery and switch the [ON/Off] button to the "ON" position to turn on the power. Switch the [On/OFF] key to the "OFF" position to turn off the device. ● Timed moves After turning on the device, the screen displays "0", which is the positive timing screen. Press the [Left and Right Moves] key, and the side that is lifted up will start timing. ● Countdown move a. Settings during the countdown: On the positive timing screen, press and hold the [Start/Pause/Settings] key for 3 seconds to enter the countdown setting. The "Hour" value will start flashing. Press the 【+】 key once, and the flashing value will increase by 1. Press the 【-】 key once, and the flashing value will decrease by 1. Press the [Start/Pause/Settings] key to switch to the "Minute" value flashing, and so on to set other parameters. After the Settings are completed, hold down the [Start/Pause/Settings] key for 3 seconds to exit the Settings. b. Countdown Move Operation: Press the "Left and Right Side Move" key. The side that is lifted up starts the timer. When one side runs out of the basic time, they lose and the timing for both sides stops. It will simultaneously sound an alarm for 2 seconds. ● Pause the move During the timing process, press the [Start/Pause/Set] key once to pause the timing, and press it again to resume the timing. "Start anew" During a timeout or at the end of the game, long press the [Start/Pause/Settings] key for 3 seconds. The time of both players will return to the parameters before the start, allowing the game to resume. Note: When the display is blurry and pressing the [Left and Right Move] key does not work, it indicates that the battery power is insufficient and a new battery needs to be replaced.