Secification:Color: Black & silverButton: 3Blade: BlankMaterials: ABS Plastic MetalBattery: Yes (CR2032)Transponder chip/ electronic: No For cars of Volkswagen VW:For Volkswagen CC 2010 - 2013For Volkswagen Passat 2005 - 2010For Volkswagen Passat CC 2009 - 2010 Package include:1x Key Fob Case1x Battery (CR2032) Feature:- For Volkswagen VW 3 button remote key fob service repair kit.- A perfect replacement for a key with broken button- Existing circuit board and transponder chip can be installed from your original key into the new case.- If the original keys look the same this is the one you need.