Marathon"s 100 Super Memory Digital Stopwatch is an excellent and reliable choice for all coaching and sports events. This digital stowatch is complete with 6 modes including: current time (with calendar), 2x daily alarms, chronograph, timer, dual time display and pacer. Time displays month, date, day of the week, AM or PM, hour, minute and seconds - optional 12 or 24-hour format. 2x daily alarms can be set as well as an hourly charm (30 second alarm sound). Chronograph mode has a measuring range of 23 hour 59 minutes with 1/100 resolutions. Timer has a measurement range of 23 hours 59 minutes and 59 seconds and includes three modes: countdown-stop, countdown-repeat and countdown-linkage. Pacer mode is 5bpm (beats per minute) with a range of 30bpm to 240bpm. Dual time mode displays two times simultaneously. Stopwatch includes backlight feature. As supplied to U.S. government.