Light Weight and included lanyard this sports stopwatch is the ideal time measurement device for athletes - especially runners - coaches and referees. Waterproof two stopwatch function time date display:Can be used in any weather condition. Time, Date And Alarm Function:Switch between 3 display modes to check the time, date and set your alarm. 1/100 Second Split Timing, Measure time at an accuracy of one hundredth of a second. Use the split time feature to precisely measure multiple events. Large display;Material:ABS + Stainless Steel Coach Whistle. Product Description Features 12 or 24 hour formats, 1/100 second accuracy; 1/100 second Chronograph up to 23 hours, 59 minutes, 59 seconds. Used as chronograph, timer, stopwatch, calendar; Timer Stopwatches alarm with 4 minutes snooze. Easy-to-read on the large screen. Powered by one AG13 button cell. Comes with adjustable wrist strap for self timing while running. Professional Sports Chronograph Digital timer stopwatch show hour, minute, second, AM/PM indicator, month, data, and day of the week. Waterproof two stopwatch function time date display:Can be used in any weather condition. Maximize your event results with the included Stainless Steel Whistle that is included free and comes with its own lanyard so you can use it with or without the Stopwatch. Package Include: 1 x Stopwatch with Lanyard 1 x Stainless Steel Whistle with Lanyard