Junsd JS-322L Stopwatch Electronic stopwatch JS-322 HS-TNK-000016330 Easy to use, suitable for every coach and athlete who wants to track their results. Detachable lanyard included. Features: hour, minute, second and day of the week month and date chronograph with 1/100 second accuracy, with lap/segment control 4-year calendar sound signal, ringtone, snooze 30 second timing correction 12/24 hour time format maximum counting time 23 hours, 59 minutes, 59 seconds backlit display power supply: LR44 battery