Moderate soldering is required. Professional installation is highly recommended, instructions and soldering tools are not included Compatible with for PS4 controllers, not suitable for other brands or other models of controllers The Hall electromagnetic joystick is made of high-quality wear-resistant materials and Hall sensors, which is more accurate, more stable and reliable, and can fix drifting, broken and loose joysticks Comes with 4 Hall effect 3D simulation modules, 4 joystick covers and opening tools Colour:Photo Color Material:plastic Package Contents: 4 x 3D simulation modules 4 x replacement joystick covers 1 x screwdriver(Screwdriver styles are randomly delivered, don't accept the specified) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.