Single Sided Display w/ 4, 6" digits. 4 digit displays roll over at 59:59 timing or 9,999 counting. Count down from 99:59. Runs time of day in hours and minutes and seconds (max. 10 hrs). Splits taken to .01 second. Includes standard Chronomix display functions (see Display Timing Modes). Operated by connected Control Keypad. 105 db horn. Includes 2 timing cords, Control Keypad with 30 ft. of cable; Battery Charger/Adapter; Operations Manual and one year limited warranty. 8 hour operation on internal NiCad batteries. Size: 28-1/4" long x 12-1/4" high x 5" deep.