Ledgital Countdown Clock 2.3" High Character LED Countdown Clock w/Remote Control - Indoor Only Clock, countdown, count up and stopwatch, all in one. This is a really fine of art mutliple Countdown clock to use; When use it as a clock, you can just put it in your living room, office, warehouse, store and many other indoor places to make it servce you as a giant watch. It supports 12/24 hour display which is easy to switch just by one click on the remote. You can start a countdown from any time between 99:59:59 to 00:00:00 in hours minutes seconds and you can pause it by remote control; When use count up function, you need to program a stop time and start to count from 00:00:00. If the stop time is programmed to 99:59:59, the clock will stop at the end. Remember, count up always start from 00:00:00. 100-240VAC input and 12VDC output power supply is included, mount brackets are included, English version manual is included. Everything you need, we give it all, just purchase with confidence!