Rear-View Camera Retention Harness To Aftermarket Radio.With 12V to 6V converter. Compatible With Select For 2011-2015 Mazda Retains The Factory Back-Up Camera To An Aftermarket Radio. Allows An Aftermarket Camera To Be Added To The Factory Screen. A Back-Up Camera Is Required (Not Included) Quality Crafted To Factory's Rigid Specification Compatible Vehicles: Mazda: 2013 - 2015 CX-5 2007 - 2012 CX-7 2007 - 2015 CX-9 2011 - 2015 6 Vehicle Compatability Chart May Vary Depending On Vehicle Options, Production Dates, And Install Application. Please Inquire Before Purchase. Camera Must Have Power Before The Vehicle Is Placed Into Reverse, So Using The Reverse Lamp Power Source Is Not An Option..