Universal Wireless Steering Wheel Controller for Car After-market stereo radio DVD GPS Navigation Steering Wheel Remote Control Buttons

Notices:
This controller can ONLY be used for the after market radio which has steering wheel control line in. Generally the radio should have two wires labled key 1 / key 2 (SWC Connector 1 or 2)  on the power harness.

Function:
Free your hands with this multifunctional wireless steering wheel controller which is universal for all cars. It provides all function buttons to control your after market stereo.
This controller can ONLY be used for the after market radio which has steering wheel control line in. Generally the radio should have two wires labled key 1 / key 2(SWC Connector 1 or 2) on the power harness.
Customize all keys' function in the Steering Wheel Control by learning interface of the after market stereo
Universal multifunctional wireless steering wheel controller for after market Car DVD player GPS navigation system.
With easy installat