ECX Circuit 4wd Stadium Truck Brushed: RTR (1:10 Scale) Completely ready-to-run with everything needed in one box 4WD Drivetrain with sealed gear differentials Pre-installed potent 550 sized motor and LiPo (2S LiPo compatible) ready ESC Spektrum&trade; DX2E 2.4 GHz transmitter and waterproof receiver Dynamite&reg; 2-amp peak charger included