Description: 4 pole 12 slot high-torque motor design High purity copper windings maximizes efficiency Precision engineered for maximum energy conversion Precision balanced rotor,smoothness for best reliability and maximum RPM Low voltage cut-off protection, over-heat protection, throttle signal loss protection Suit for 1/10 scale RC car, truck and boat Specification: Motor Model: F540 KV(RPM/V): 3000KV Poles: 4 Watts: 800W Max Voltage: