Optimum Time Rechargeable Event Watch

Optimum Time Rechargeable Event Watch This Optimum Time Rechargeable Event Watch features a dot matrix display, three rows with massive digits in final minute countdown With a programmable countdown and minute alarm for each full minute remaining, plus alarm for the final 30 seconds.  The Optimum Time Rechargeable Event Watch has a programmable count-up with minute alarm for each full minute expired, plus alarm for final 30 seconds, count up from zero.    The Optimum Time Rechargeable Event Watch has the added benefit of a vibration alarm optional as well as audible alarm. With a rechargeable lithium ion battery with convenient USB charging. Once fully charged, should last 3 months.