1Portable Chess Clock: Suitable for chess and go competitions, this versatile clock features multiple timing functions to ensure accurate timekeeping and enhance gameplay experience. 2Professional Timer: With functions including bonus, delay, countdown, positive timing, this clock also offers additional features such as switchable countdown, selected first move, step recording, and memory function. 3Convenient Design: Compact and portable, electric digital clock is easy to carry and suitable for various occasions, which is making it convenient and versatile for users. 4Clear Display: Equipped with a digital screen, the display is easy to read, which is ensuring accurate competition processes and providing clear visibility for all participants. 5Easy To Operate: Adjust the time and delay functions according to the competition rules, which is providing a simple, user friendly experience for users that meets their needs. 1 xDigitalChessTimer 1 x Manual