Single sided Display w/ 6, 6" digits or double sided Display w/ 12, 6" digits (6 on each side). 6 digit display rolls over at 99:59:59 timing or 999,999 counting. 12 or 24 hour time of day. Splits taken to .01 second. Includes standard Chronomix display functions (see above). Operated by connected Control Keypad. 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. CC3166 Size: 38" long x 12" high x 5" deep. CC3266 Size: 38" long x 12" high x 6-1/2" deep.