Specification:Color: BlackMaterial: Plastic & MetalKey Type: Remote Key CaseButton: 3 Button Lock / Unlock / BootSwitches: YesBlade: Uncut,need to be cut by locksmithBattery / Circuit Board / Transponder chip: NoReference OE/OEM Numbers: 4D0837231A / 4D0837231N / 8Z0837231 / 8Z083723101C Fit For Audi:A2 2009-2005A3 1997-2003A4 2001-2005A6 1997-2005A8 1994-2009TT 1999-2008and any other model Package Include:1 X Key Case 3 X Micro Switches Feature?- 3 button remote key fob case shell service repair kit.- A perfect replacement for a key with broken buttons or worn key blade.- Existing circuit board and transponder chip can be installed from your original key into the new case.- You can have the new key blade cut at your local locksmith’s - Ensure original keys look the same, and your existing case has the same type of battery holder otherwise will not work.