An nice accessory for limited time events, the multifunctional chess clock helps you accurately time. Meet your game timing needs in all aspects.Features:Timing rules includes BASIC, BOUNS, DELAY, BYO-YOMI and COUNT-UP, it automatically switches to the counting-up mode after countdown.User-defined time can be set up to 9:59:59, different timing parameters can be set for both sides, and the time can be modified during the game.It can automatically save the parameters set before shutdown.Step recording function: you can view or modify the number of step taken uo to 999 step.Sound and shutdown function: you can turn/off the voice prompt, or turn on/off the chess clock.Specifications:Main color: blackMain material: ABSBattery: 2 * AA battery (not included)Item size: 140 * 85 * 54mm / 5.5 * 3.3 * 2.1inItem weight: 152g / 5.4ouncePackage size: 145 * 95 * 50mm / 5.7 * 3.7 * 2.0inPackage weight: 170g / 6.0ouncePacking List:1 * Chess Clock