How so? The shrink wrap on the one on Ebay might not be as clear, but that doesn't mean anything. Also look at the positioning of where the receiver wire comes out from...
SH Z-Car, Custom Crawler, 8s Savage, 12s XTM XLB 1/7 buggy, 4wd 4-link rear/IFS Pro4 truck, Custom Hyper 10 Short Course, Belt-Drive Mammoth ST 1/8 truggy, 4s 17.5 MM Pro HPI Blitz