Single Sided Display w/ 3, 9" digits and low tone horn. 3 digit displays time up to 9:59, or down from 9:59, counts events or seconds to 999. Splits taken to .01 second. Includes standard Chronomix display functions (see 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: 41-1/4" long x 16-1/4" high x 5" deep.