Digital Timer, Features flashing LED alert, Overall Depth 5/8 in, Overall Diameter Not Applicable, Overall Height 2 1/4 in, Overall Width 3 1/2 in, Digital Display Screen Type LED, Alarm Type Audible, Visual, Display Type Digital, Maximum Time Setting 99 minutes, 59 seconds, Minimum Time Setting 1 sec, Count Direction Count Down, Count Up, Number of Channels 1, Clock Function Included No, Calibration Certificate Type Traceable, Includes Flip-Open Stand, Magnetic Back, Opening For Lanyard