Meeting Speaker Countdown Timer 3 minutes with alarms

This 3 minute presentation timer has a 2 minute and 30 second GREEN screen with a ding sound at the end. The screen changes to amber for a 30 second duration with a ding sound at the end. The screen then changes to red with a STOP SPEAKING message, followed by a series of subtle alarm sounds, a short silent period, followed by an annoying alarm clock sound.