Factory Camera Retention Harness with 6 Volt Power Adapter Combo. Use this harness to retain the factory reverse camera when adding an aftermarket radio. Retains the factory back-up camera to an aftermarket radio Use with aftermarket radio that has a backup camera input feature only- usually radio with video screen. 12 volt to 6 volt converter adapter included. Compatibility Notes: New aftermarket radio must have backup camera input capability. Might work with more vehicles- if the connector looks like the one in the picture then this should work or email us your year and model for us to double check. Works with the following vehicles: TOYOTA: 4-Runner (only works with a premium factory amp) 2012-2013 , 4-Runner 2006-2011 , Avalon 2011-2012 , Camry 2007-2011 , Highlander 2008-2012, Prius 2010-2011 , Sienna 2008-2010 , 2008-2012 Sequoia (only works with the premium factory amp) , 2007-2013 Tundra (only works with the premium factory amp) , 2009-2012 Venza (with NAV vehicles only)