Hey,
I made a little programm that shows you how long you are invisible.
You can move the seconds where you want (i always have them above my head).
picture:
video:
Tutorial:
1. Open my programm
2. Move the Seconds to the place you want
3. Write in the TextBox how many seconds you are invisible
4. Press the "Update Seconds" Button
5. Press "Space" and the countdown begins