Turn your existing controller for P S 4 into a professional eSport elite controller 2 Ergonomic programable back buttons with FlashShot trigger stop mechanism Maximum 15 buttons can be assigned to the back buttons. With trigger stop buttons, you can fire faster and save valuable time with each trigger pull Easy for installation, soldering optional; Get installation video guide on YouTube by searching "eXtremeRate DAWN 2.0 Remap Guide for P S 4" or "lNIMR9j_cTQ" Only compatible with Gen 2 P S 4 controller (JDM-040/050/055); Check the second picture of the listing before purchase. If you have any problems during the installation process, please feel free to send us a message.