Timer, stopwatch and clock. Count down from 9:59:59. Count up to 23:59:59. Clock displays hours, minutes and seconds. 12 or 24 hour clock display. Color: black. Digit height: 0.5 in. Display size: 1.25 x 0.5 in. Unit size: 4.75 x 1.25 x 0.75 in. Power source: 1 LR44 battery. Weight: 1.6 oz. Includes: Battery, Magnet, stand and clip on back, lanyard.