This Rear Sram Etap Red Rear A1 derailleur still has the original Sram factory box ,also the  Sram Battery and Information leaflets 
and the Red battery tray protector guard.

Overall in very nice condition and the short cage has the original ceramic jockey wheels , with no broken or badly worn teeth.

The battery performance remains good and the pictures show the open and closed positions when it was tested , the pairing
works well and the activation light remains a strong green.