Counts up or down for 10 hours in intervals of 1 second. In count down mode unique feature tells you how much time has elapsed after the alarm sounds. Memory allows repeat of just-completed cycle. Alarm clock mode. Has a built-in stand, pocket clip, and magnet. A button cell battery is included. 5 year warranty CE Compliance *Certification Option N.I.S.T. traceable Certificate of Compliance available at additional cost Select option above. Downloads Instruction Manual Product Brochure Comparison Chart Comparison Chart