... Hr/Min/Sec (AM/PM, 12/24Hr) 3 Channel Counter Down Timer: 99hours, 59Minutes and 59Seconds Count Up Timer/S Clock: Display Hr ... /Min/Sec (AM/PM, 12/24Hr) 3 Channel Counter Down Timer ... : 99hours, 59Minutes and 59Seconds Count Up Timer/Stopwatch: 99hours, 59Minutes ...