Fitment Fits All Momo, Sparco and OMP Aftermarket Steering Wheels with a 70mm PCD and a TDC Screwhole Material PCB Package Includes 1x Handler, 1x Control Box, 1x Set of Wire Harness Installation Instructions Included Features 8 Channel Wireless RF Steering Wheel Control System This product is not created by Logitech. Integrated Battery Status LED with Power Saving Logic The Small Form Factor Easily Fits a Smaller Diameter Steering Wheel (from 30cm onwards) - Even Flat Bottomed Wheels Water, Oil and Chemical resistant to IP65 RatingsRadio Wave Encrypted TransmissionEach Button Can Be Independently Set With Specific FunctionCompletely Programmable Electrical Relay With 12V/8A Receiving ModuleThe Transmission Rate Is Below 100Ms/10 HzSupport Multi Task Transmission ( Can Run With Multiple Buttons At The Same Time)