This conductive film membrane button circuit is a must-have for PS4 Slim and Pro gamers. If your buttons aren't working or your controller has been damaged by liquid, this product can help. It's designed for 3rd generation controllers with model numbers JDM-050 and JDM-055. It fits under important buttons to fix issues. There's no need for soldering, but you will need to do some internal fitting which might be a bit tricky if you're not experienced with electronics. It's perfect for getting your controller back in action without breaking the bank.