Tronxy P802M (Prusa i3) Proximity Switch Holder With CREE LEDs

I added a proximity probe to automatically level my Tronxy (Prusa i3 Clone) 3D Printer. I also wanted better lighting. This replacement allowed me to add both.

Some notes:
1) My printer has an aluminum heating surface. This is covered by a piece of borosilicate glass with a PEI sheet. Even this larger proximity probe can't detect the aluminum through the glass because it's a weak signal and it's too far away. I added a thin piece of copper between the glass and the aluminum, and it dete