Connect the Android head unit to the car wiring harness through this product. The car provides power to the Android host through this product. CAN to UART converter.connect the Android head unit to the car's multimedia control system. Provide power switch, reverse gear, steering wheel button control and other functions for the Android head unit. color: Black Material: ABS Compatibility with cars : For Opel H 2004-2009 For Opel B 2005-2014 For Opel 2006-2015 For Opel C 2002-2008 For Opel D 2006-2014 For Opel Meriva A 2003-2010 Package Contents: 1 x Radio Power Cable 1 x Radio ANT Cable 1 x CAN-Bus Box Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.