Features: ALL THE PROFESSIONAL FEATURES YOU WANT: The Digital Chess-Clock Portable Timer features a standard chess-timer, but also lets you tap into the potential of bonus-time features and delay, so you are never limited on how you play. SIMPLE SET UP AND CONTROLS: Don't waste your time in set up. Just get to playing, thanks to the Chess-Portable Timer's intuitive and easy to use controls. A CHESS-ACCESSORY THAT TRAVELS WITH YOU : Lightweight and Portable, the Portable-Chess Clock is as fit for the tournament room as it is for your traveling adventures. Don't be left playing without a clock! SO MUCH MORE THAN A CHESS-TIMER: Chess-isn't the only game that needs a timer. That's why our portable timer has enough functions to support any of the world's hundreds of 2 player games. It's a chess-clock of many faces! BATTERY POWERED PORTABILITY: 2 AAA battery is all you need if you run out of power after a long streak of chess-games. The portable chess-clock is a timer with extremely long battery life, so you will rarely need more than one battery with you to assure the game never ends. Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement Description: Size: 14*8.8*4.5cm Battery: 2 AAA batteries (not included)