This is metronome application like digital hardware metronome for musicians. There are tap button, customer user presets, little notepad for customer user comments, volume control, measure size and click sound select in this program. Standard temp scale. Dont press the Tap button at least 2 seconds if you want change temp value! Unregistred version work 15 minutes and allow use only 2 customer user presets. customer user can restart this application to get next 15 minutes. OS Windows 98/ME/XP/2000/2003. Sound card must be installed on your PC.