Feature: This chess clock has 42 timing rules in 8 categories, including single/multiple countdown, reward, time limit, delay, seconds, and forward timing. Time parameters can be modified for each timing rule (except positive timing). Different time parameters can be set on the left and right sides. During the game, the time parameters for both sides can be changed.
【Portable and Durable】: The digital chess clock is made of electronic components and ABS shell, environmentally friendly and durable, which is lightweight and portable, convenient to carry.
【Large Rocker Button】: Feels good, fast response, convenient control, more suitable for fast chess. Simple and intuitive to use, comprehensive design to make your chess game more enjoyable. The toggle button on the top is easy to access and precise, bright button color schemes indicate whose turn it is. Large LED display easy to read the time, non-slip pads on the bottom prevent accidental movements.
【Retain Parameters】: Turn on the power again after the power is turned off, you can retain the rules and parameters of the game before the power is turned off. DC 3V power supply (two No. 5 batteries not included).