Multifunctional chess clock, symptoms nice to events of limited time, helps to determine the time. Complete your responsibilities with we synchronization of the game of all aspects. Characteristics: Timing rules include BASIC, BOUNS, DELAY, BYO-YOMI, and COUNT-UP, after deducting automatic switching in countdown mode. The user's application time can be set to 9:59:59, different time parameters can be set for both sides, and the time can be adjusted during the game. It can be protected against physical conditions. Execution function: can be carried out by controlling or performing actions from up to 999 steps. Power and circuit breaker function: possible to turn off/off the voice message or turn on/off the electrical device of chess clocks. Technical data: Main kolor: black Main Material: ABS Product Size: 140 * 85 * 54 mm / 5,5 * 3,3 * 2,1 inch Item Weight: 152 g / 5,4 oz packaging Size: 145 * 95 * 50 mm / 5,7 * 3,7 * 2,0 inch Package Weight: 170 g / 6,0 oz List of things to pack: 1 * Chess Watch