Rugged sports watchband - 10 Memory - Bright EL night light display - 24 Hour stopwatch - Every workout is stored as a separate recallable run - 12/24 hr format with alarm - Split release feature unlocks after -5 seconds to display current running lap time - Programmable countdown/countup time - Recalls 10 cum & lap split to 1/100 of a second - Dual timer - Hourly chime - Water ( up to 300 ft.) & shock resistant..