* Suitable for Chess, Chinese Checkers, Go, and other games! * Powered by a DC 3V voltage (two No.5 batteries) * 8 types (42 pieces) of timing rules. * Basic time and auxiliary parameters can be set for each timing rule. * Different timing parameters can be set for each side. * The timing value for both sides can be adjusted during any match. * The previous timing parameters from the last match will be preset for the first match after the next power on.