● The difference between the standard version and the enhanced version: The enhanced version adds spring-assisted homing, and the other functions are the same. ●Allows amazing steering at an affordable cost on your PS4 Controller(100 Degrees of Rotation). ● Experience racing games on a whole new level with the mini steering wheel! ● Luminous material will shine at night, The color of thermochromic materials varies with temperature，Metals provide better toughness, while carbon fibers provide better strength. ● In-game steering sensitivity adjustments may be required to fully optimize use of steering wheel，The game is set to more than 75 proposed steering sensitivity. ● ONLY compatible with Sony Playstation 4 Controller. ● Please note this listing is for the 3D Printed Mini Wheel only. It does not include a controller. ● If you have better suggestions for improvement in use, please contact me. I will improve some problems in the next version. Thank you. ● Customer support:We provide one-year after-sales, 24-hour customer service support.