Chess Clock, Digital Chess Timer with Reward & Delay
Chess Clock, Digital Chess Timer with Reward & Delay Countdown Function, 3-in-1 Multipurpose Ches-s Clock with Large Seesaw Button for Ches-s and Board Games(COLOR:Blue) Features:Battery Powered: DC 3V power supply (two No. 5 batteries are not included).Function: There are 42 timing rules in 8 categories, including single/multiple countdown, reward, time limit, delay, seconds, and forward timing.Settings: Timing parameters can be changed for each timing rule. (except positive timing) Different timing parameters can be set on the left and right sides. During the race, the timing parameters of both sides can be changed.Keep Parameters: Power back on after power off, you...