This easy to use Digital Timer is a handy tool have in your clinic. It's dual function timer and clock clearly displays minutes and seconds. Easy identifiable start/stop button. A loud and long alarm indicates when the timer is complete. To set the timer, slide the mode switch to timer. This unit counts 24 hours up or down by hours, minutes and seconds. Also features a memory button to recall user's favorite settings. Timer can be mounted in 3 ways, by a pocket clip, magnet, or stand. A 1.5V Button IEC LR44 Alkaline battery included.