HQRP Folding Flip Key FOB Shell Remote Case w/ 4 Buttons compatible with Audi A4 1997 1998 1999 2000 2001 97 98 99 00 01 plus HQRP UV Meter HQRP&reg; Folding Key FOB Shell Remote Case w/ 4 Buttons plus HQRP&reg; UV Chain / UV Health Meter; 4 Buttons: Lock, Unlock, Trunk, Panic; Easy to install; Please note there is NO interior (remote / electronics / transponder chips / battery) unit inside. Premium quality detachable flip key remote case and uncut key blade. 100 days warranty!