VW Transporter T6.1 2019 USB-C Retention Interface Works With Alpine KIT-F9VW-T61 KitVW Transporter T6. 1 2019 USB C Retention Interface Works With Alpine KIT F9VW T6. 1 Fitting Kit (which is NOT included) Product Description: Alpine camera interface retention lead allows you to retain the rear camera when upgrading your original stereo to an aftermarket with rear camera input. This interface works with Alpine KIT F9VW T6. 1 Fitting Kit Package Includes: Rear camera retention interface Vehicle fitment (guide only): Fits VW Transporter