This is the PRO top of the range upgraded version of the XSTR electric buggy. As well as the features found on the standard XSTR this PRO version has been upgraded with FSD 3300KV brushless motor, Hobbywing 50A brushless ESC and Fullymax 7.4V 3500mAh Lipo battery with Lipo charger.The upgraded brushless setup on this PRO version makes it much quicker than the standard version. This is the full upgrade version that includes a Lipo battery upgrade also that is needed to enjoy the full power of the brushless motor. You should not confuse this with the brushless version that comes with NiMh battery also available on the market that does not give the same power as this.This is an extremely fast model with adjustable pro setup for race enthusiasts. It has all the features and more that you would expect from a hobby grade model including aluminium oil filled shocks, working differentials, aluminium parts used where needed including aluminium central drive shaft, slipper clutch and advanced servo saverThe PRO buggy comes with an exclusive pre-painted Pro shell. The XSTR comes ready to run, all you require are 4 standard AA batteries for the 2.4GHz transmitter and you are ready to go.