MultiFunction chess timer Modes: BASIC, DELAY, BONUS, and BYOYOMI. This timer supports chess, Chinese chess, and Go, adapting to different game styles and tournament requirements. Large, easytoread display A clear, large screen provides visibility, allowing players to quickly check remaining time at a glance and maintain focus during tight moments. Ergonomic seesaw button Large, responsive seesaw buttons offer smooth operation and tactile feedback. The design enables quick, reliable transitions between players, reducing interruptions during critical moments. Energyefficient design Built with an energysaving mechanism to extend battery life. Uses 2 AAA batteries (not included) for longlasting performance, ideal for extended tournament play or frequent practice. Use scenarios In formal tournaments that require multiple timing modes and varied formats. During intensive training sessions or club play where quick time checks and reliable button operation matter. While traveling to events or practicing away from the desk, thanks to its longlasting power efficiency.