Custom Bypass Made For Pioneer AVH-4100NEX?? AVH-4200NEX Video Units</br>NOT FOR USE OR REQUIRED WITH Pioneer AVIC-NEX Navigation Models</br>Does Not Require You To Cycle the Ignition On and Off?? And Is Fully Automatic.</br>Automatic Video In Motion Activation (Triple Pulse Output)</br>Simple Installation?? All Connections Made at the Back of the Radio</br></br>Product Description</br></br>An automatic video activation interface specifically Designed for Pioneer AVH-4100NEX Radio. Automatic Video Activation Interface and Simple How to Install Instructions Included</br><br/>http://www.amazon.com/gp/product/B00VKQ6ECQ