Check the listing for details. TRACEABLE 5045 Timer Controller,CountDown,CountUp,100hr 6KEE0. Condition: New. Listed at 33.93 USD. Digital Timer, Features Keychain, Overall Depth 3/4 in, Overall Diameter Not Applicable, Overall Height 1 1/2 in, Overall Width 2 in, Digital Display Screen Type LCD, Alarm Type Audible, Display Type Digital, Maximum Time Setting 99 hrs, 59 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 Clip, Key Chain, Magnet, Opening For Lanyard, Batteries Included Yes The Traceable(R) Digital Timer Plus(TM) easily clips to lab coat, belt, notebook, clipboard, or just about anywhere. In countdown mode, program in in 1 sec. increments, from 100 hr. to 1 sec. Times from 1 sec. to 99 hr. and then repeats in stopwatch mode. The timer also reminds you when to read a color.