Cumulative split only. Split release action. Timing range: 24 hours. Micro Switches. Magnum XL Displays. 5 Year battery life. Breakaway safety lanyards. 1, 2 Fast finish. Start/Stop. Event/Timeout. Timing interval (1/100 sec to 40 min). Water resistance to 30m/100 ft. Shock resistance. Includes the Time, Date, Day of Week, and Alarm. Set of 6 colors (1 ea. orange, green, red, blue, yellow, purple).