Intermatic ff15mc 15minute spring wound countdown wall timer, brushed metal wall timer switches. For example you can set a 15 minute timer or whatever you need. Try the fullscreen button in classrooms and meetings. We found this free download able 15minute countdown timer that works right in powerpoint and found out we could share it with other trainers. Free for commercial use no attribution required high quality images. The download size is very small so you will hardly notice. Intermatic ff15mc 15minute spring wound countdown wall. Stay on top app download a stopwatch and countdown timer that stays on top of all open windows. Do that by simply clicking on the numbers with your mouse. Set timer for 15 minutes and use it to cook food, remember to call back, to take breaks, etc.