TFL Osprey 42" 1070mm ArtrThe boat is built for running 6s oval-style racing. For high speed drag racing for 3-5 seconds, 8s can be used. BUT only for short 3-5 second drag bursts. Specs:ESC: Pro Marine 300A ESC’s 8-15s (This artr is built for 6s or 8s Maximum) Motor: SSS 4902-v2 1650kv Brushless MotorProp: CNC-4514251 2-blade propellerFiberglass HullBattery tray system Length: 1070mm (42") Width: 310mm(12.2")Transom hardware: Aluminum and stainlessRequires: (1) 2 Channel Radio System (1) Hi-Torque Standard Sized Servo (2) 3s 100c 5000mah Lipo packs with EC8 Connectors(1) Rx Pack