45/30/20/15/10/5/3/2/1 minute timer all in one.
00:00 45 minute countdown
15:00 30 minute countdown
25:00 20 minute countdown
30:00. 15 minute countdown
35:00 10 minute countdown
40:00 5 minute countdown
42:00 3 minute countdown
43:00 2 minute countdown
44:00 1 minute countdown
silent, beeping in last 3 sec.
