Sports Odometer Electronic Digital Chronograph Time StopwatchSpecification: Size: approx. 7.6cm * 6.2cm * 1.8cm / 3" * 2.4" x 0.7" Length of the rope: approx. 54.5cm / 21.4" Color: As the pictures shown One button battery includedDescription: Chronograph Digital stopwatches timer show hour, minute, second , day, month, and day of the week. 1/100 second Chronograph up to 23 hours, 59 minutes, 59 seconds Can select 12 or 24 hour user with Chronograph Stopwatches Push of A: For alarm time Push of B: Mode Push of C: For month date. day of weekPackage Includes: 1 x Stopwatch