There is no clear industry standard definition for RTR, PNP. Every manufacturer makes up their definitions. The generally accepted definitions are:

RTR(Ready To Run) means that you get the complete playable model which includes everything including electronic parts—equipped model itself and RC transceiver, battery and so on, by which you can play after you slightly assemble it .

PNP means that you get the RTR model, excepting the RC system and battery.

Specification