I am very sorry you got hurt! I really am! :(
Did it happen recently? Perhaps you wanted to try what you seen on my video I posted above? I will definitely post a disclaimer in bold letters that while it works well for me there is a risk of...
Here's a short video of me taking my M4P off my hand, utilizing that C1 button (excuse that background :P):
https://streamable.com/4eulhv
WARNING: WHILE I DEMONSTRATED DOING THIS FINE, THERE IS AN INHERENT RISK OF BEING HURT, DO THIS ONLY AT...
I understand and was only providing that info so you had a basis for determining the fairness of the price on Amazon. I have no interest in persuading anyone to buy from a particular source.
I share your concerns about buying from overseas. So...
Yes, it only serves as auto take off after you tap that take off icon on your remote (see my image above) once you take off it goes back to whatever you configured it!
Btw, I did more auto take off testing off my hand and I can confirm it works...