1.5 inch 29cm button led countdown clock satch,line button reset,remote control school rush answer competition game timer

fully wired switch button- press button 1st time start running, press button 2nd time srunning, press button 3rd time resume. normal time with 12 and 24 hours in hours ,minutes,seconds. count down,up in hours-minutes-seconds ,minutes-seconds-hundredths; satch counts up to 99 minutes, 59 seconds and hundredths of seconds. brightness adjustable , change the brightness through the remote control.