Counts up to 30 minutes in 1/100 seconds and then 24 hours in 1 second intervals. Features a large single digit display and a 3 button layout for easy use. Modes include stopwatch function, time of day and alarm. Supplied complete with neck cord. Available as a set of 6 (one each of black, blue, green, red, white, yellow) or set of 4 (one each of blue, green, red, yellow), Size: 7 L x 6cm W. Digit height: 12mm.