Crossfit Interval Timer Wall Clock w/Remote (14"x4"x1.5") Count up (00:00 to 99:59)/ Display Format - [UP MM:SS]/Countdown (99:59 to 00:00)/ Display Format - [dn MM:SS] Stopwatch - (00:00:00 to 99:59:00) Display Format - [MM:SS:(1/10s)(1/100s)] Save up to 10 (0-9) Preset workout times in Standard Mode i.e. Preset 1 - Countdown 20:00; Preset 2 - Count Up to 15:00, etc (10 Second Countdown for each Timer) When in Interval Mode you have 4 preset interval programs in slots #1-4 and you can program and save your own interval programs as well in slots #5-0; No other clock does that! Tabata/Intervals - Programmable Work to Rest Intervals. Display Format [F1 MM:SS & C1 MM:SS] where F = Work Period, C = Rest Period. When programming, clock will show F# (F and a number pertaining to the work interval or round, i.e. F1 = 1st round of work, F2 = 2nd round of work, etc.) during the training period, then once work interval is completed C# (C and number pertaining to the rest interval or round) will show for the rest period/interval. For instance: If you program 5 rounds of work and rest, then F1-F5 will show during your work interval and C1-C5 will show during your rest periods.