Upgraded Flip Remote key Fob 433MHz ID48 for Audi A3 A4 1999-2002 4D0 837 231 N

Replacement upgraded flip keyless entry remote control key fob with battery and electronics installed.
Uncut Blade HU66 included.ID48 Chip inside.
The key and blade need to program and cut at a local automotive locksmith only.
Note:Aftermarket remote key ,no label on the back.the same function as the genuine.
Compatible With 4D0837231N
This part is compatible with the following vehicles that use a flip key:
For 1997-2003 A3
For 1999-2001 A4, A4 Quattro
For 1998-2005 A6, A6 Quattro
For 2000-2005 A6 Allroad
For 1994-2003 A8, A8 Quattro
For 1999-2002 TT
For 2001-2002 RS4