This Optimum Time rechargeable event watch features a dot matrix display, three rows with massive digits in final minute countdown, a programmable countdown with minute alarm for each full minute remaining, plus alarm for the final 30 seconds, a programmable count-up with minute alarm for each full minute expired, plus alarm for final 30 seconds, count up from zero and vibration alarm optional as well as audible alarm. With a rechargeable lithium ion battery with convenient USB charging.