So I am very disappointed and my heart is broken something. I asked last night the trap in the garage and this morning I have to figure out if a mouse was caught, when I saw the sitting of the lever of the door otherwise, I was glad that it worked out and I can release the mouse elsewhere , But the mouse is not moved, the whole interior of the case was soaking wet and the mouse also. She is apparently against the greatest panic, died in the long and gruesome way. The poor mouse I'm terribly sorry.
I'm going to try it again and look more often. Hopefully survived the next mouse.
Appendix:
Update: If one really looks up every 2 hours, the trap works quite well, only one must not forget it, then tortures the mouse. After the first death, 3 living mice were caught and set free elsewhere.