After ten years of development, eXtremeRate has become the worlds leading brand in game controller customize industry. As a masterpiece of the past 10 years, we brought the DECADE upgrade kit. Fully redesigned ergonomic housing, 4 back buttons, trigger stops, and individual setting button, with all of these functions, your controller for PS4 will become one of the best tournament-ready controllers in the world! Product Feature: 1, Only compatible with PS4 controller (CUH ZCT2*, JDM-040/050/055); Check the second picture of the listing before purchase. 2, Come with 4 ergonomic back buttons, newly upgraded button control, you can easily activate the mapping program in the game, aign up to 15 buttons to the back button. Note the back button can only remap one function button, one function button can be remapped to several back buttons. 3, Dual trigger lock added, which can help you shoot faster and save precious time in fast FPS or shooting games. Note the racing game only works on long trip mode. 4, A variety of colors and patterns are available, you can choose your favorite style to customize and upgrade your controller. 5, If you have any questions about the pre-sales or post-sales of the product, please feel free to contact us, all meages will be replied within 24 hours. Kind Reminder: Controller NOT included. You need to take apart your controller for installation, basic hand-on skills required. Get installation video guide on YouTube by searching eXtremeRate DECADE Remap Kit for PS4". Soldering optional, if you dont need the L3, R3 and touchpad button can be remapped, soldering is not neceary. Package Includes: 1* DECADE remap electronics set 1* DECADE front back shell 4* Back buttons (K1, K1, K3,K4) 2* Trigger stop buttons 31* Screws 1* Set screwdriver tools Note: The controller is not included!