Secification:Color: Black & silverButton: 3 Lock / Unlock / BootBlade: BlankMaterials: ABS Plastic MetalBattery: Yes (CR2032)Micro Switches: YesTransponder chip/ electronic: NoReference OE/OEM Number: 3C0959752BA, 3C09599752BG, None For cars of VW:For VW Volkswagen Passat CC B6 B7 3C Magotan Package include:1 X Key Case 1 X Battery 3 X Micro Switches Feature:- For Volkswagen VW 3 button remote key fob service repair kit.- A perfect replacement for a key with broken button- Blank emergency key blade HU66 type new key case switches- Micro switches can be replaced by using solder iron.- 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.