Multifunction Chess Clock-- The chess timer can count up, countdown, step counting, with bonus mode and delay mode according you need. Two side can be set to a different base time. Can be used for nearly every competitive two-player board game like International chess, backgammon, chess, Chinese chess, I-Go. Easy to Use-- The digital chess clock has its defined rules, also you can define by yourself. With memory function, all user parameters kept when you turn off and turn on again. It is very easy to operate and quick start a game. Support to use when play games with friends, family in bar, club, party, home, to create more fun of game. Considerate Design-- The chess timer clock has a comfortable and flexible toggle button, large high definition LED display, easy to operate and read. This chess clock has non-slip foot pad to prevent accidental moves. At the end of the game, this chess clock will alarm, you can turn on/off the alarm clock as you want. Portable&Durable-- The chess clock timer is made of electronic components & ABS shell, environmental friendly and durable. It comes with 2*AA battery and compact size(5.51 x 3.62 x 1.57 inch) can put in your bag and bring to anywhere, can be used not only when playing chess indoors, but also in parks, camping and outdoors. Notes: Please disassemble the batteries if they are kept unused for a long period, to prevent the batteries from leak and damages to parts. Package Include-- 1x Chess Timer for Board Games, 1x User Manual, 2x AA battery (batteries included). If you have any questions please feel free to contact us. We provide one-year warranty service and will give you a satisfactory sulotion.