Eu 4"  8 Digits Programmable Gym Fitness Tabata Inteval Countdown Count Up Stopwatch 760x160x40mm (30" x 6.3" x 1.6"). 2 digits 4" Blue & 4 digits 4" red with 2 digits 1.8" red. Clock Mode: 12Hours-[H1 HH:MM:ss], 24Hours-[H2 HH:MM:ss]. CountUP Mode: [UP HH:MM:ss]. StopWatch Mode: [HH MM:SS:ms].