1. Clock + Timer(Count Down + Count Up). FIXED TIME: 99 minutes 50 seconds. It will alarm for 1 minute, and the timer will continue to work showing counting up time, so you know how long time it passed after reaching 0. You can press any key to stop the alarm. Then it will show the last time setting. 2.Easy to set, easy to restart, and easy to re-set. You can quickly set it for 1,5,10 minute and 10 second increments! And there is a switch from clock to timer. 3.The screen and the numbers are very large and can be viewed from across the room. 4. Loud Alarm & Adjustable Volume: High/Low/Mute. It's loud enough so you don't have to worry about missing it. This is a necessity for forgetful people who also have to cook. It's not just a handy tool, it's insurance to prevent a fire as well. 5.Wide Application: Cooking, baking,laboratory, fitness, beauty, children eating, conference room, meeting,etc.