Harness is used when installing an aftermarket stereo,Connects the aftermarket stereo.Harness to the vehicles factory harness,Designed specifically to fit the compatible.Vehicles follow list,Plugs into the factory harness without cutting any wires,Standard,color coded wires provide a consistent and simplified installation.Type: Car power cord adapterBrand new and high qualityFitment:compatible with Mazda 3 2008-2012compatible with Mazda 5 2008-2015compatible with Mazda 6 2007-2012 *Ruiyi(China)compatible with Mazda 8 2011-2015compatible with Mazda CX-7 2010~2014Colour: blackMaterial: ABSPackage Contents:1 * Power cord1 * Canbus protocol boxOnly the above package content, other products are not included.Note: Light shooting 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.