Ultimate Rechargeable Event WatchThis new rechargable event watch feaures a dot matrix display – 3 row with massive digits in final minute countdown, a programmable countdown with minute alarm for each full minute remaining plus alarm for final 30 seconds, a programmable countup with minute alarm for each full minute expired plus alarm for final 30 seconds, count up from zero, vibration alarm optional as well as audible alarm, a rechargeable Lithium Ion battery with convenient USB Charging. .