The 3in1 chess clock provides versatile timing options to fit different game formats and training needs. It supports basic, rewards, delay, and positive timing modes, allowing you to switch easily between common and specialized time controls without a separate device. Key benefits Flexible timing options: Basic, rewards, delay, and positive timing modes cover a wide range of chess scenarios, helping you adapt to different games and practice goals. Clear, responsive operation: Large buttons are designed for easy and precise presses during fastpaced play, reducing the chance of timing errors. Durable and portable: Constructed from ABS plastic for durability, with a compact, lightweight design that is convenient to carry to tournaments or practice sessions. Energy efficient: An energysaving mechanism helps conserve battery power for longer use between changes or replacements. Batterypowered simplicity: Requires 2 AAA batteries to operate. Specifications and design Material: ABS plastic for durability and reliability in regular use. Modes: Basic, rewards, delay, and positive timing to support diverse chess time controls. Power: 2 AAA batteries required for operation. Portability: Compact and easy to transport to events, practice, or coaching sessions. Use scenarios Tournament play: Suitable for rounds with standard or unconventional time controls, enabling quick setup and reliable timing across games. Practice and training: Use rewards or positive timing modes to reinforce good moves and maintain focus during drills. Coaching and group sessions: Efficiently manage time for multiple players in clubs, schools, or chess camps, keeping pace with the lesson plan. This description focuses on the core functions, materials, and performance features, providing clear, customerfriendly information to support informed decisions.