Feature:1. 4 Pole 12 Slot Hi-torque Motor Design. Waterproof brushless motor for 1/10 RC car.2. High Quality: CNC Machined 6061 T6 Billet Aluminum Heatsink Can, High Purity Copper Windings.3. Maximizes Efficiency, High RPM ABEC5 Oversized Bearings.4. Precision balanced rotor, smoothness for best reliability and maximum RPM.5. Multiple conservation features: Low voltage cut-off conservation, over-heat conservation, throttle signal loss conservation.Specification:Features:4 Pole 12 Slot Hi-torque Motor Design. Waterproof brushless motor for 1/10 RC car.High Quality: CNC Machined 6061 T6 Billet Aluminum Heatsink Can, High Purity Copper Windings.Maximizes Efficiency, High RPM ABEC5 Oversized Bearings.Precision balanced rotor, smoothness for best reliability and maximum RPM.Multiple conservation features: Low voltage cut-off conservation, over-heat conservation, throttle signal loss conservation.Specifications:Brand Name: GTSKYTENRCItem: 4500KV Brushless MotorRessistance: 0.0126Max Current: 56ARPM: 50000Max Voltage: <16VWatt: 900WDiameter: 36mmLength: 50mmItem No.: 3650Name: 60A ESCCont.Current/Burst Current: 60A/360AMotor Type: Sensorless Brushless MotorFor 2S Lipo or 6 cells NiMH:1. On-road: 3660-Size or smaller motor with the KV<6000KV2. Off-road: 3660-size or smaller motor with the KV <4000KVFor 3S Lipo or 9 cells NiMH:1. On-road: 3660-Size or smaller motor with the KV<4000KV2. Off-road: 3660-size or smaller motor with the KV <3000KVSuitable Car: 1/10 CarResistance: 0.0007ohmBattery: 2-3S Lipo/4-9Cells NiMHBEC Output: 5.8V/3A (Switch Mode)Size: 51.5*68.5*38.5mmPackage Information:Package Size: 16.5*9.5*6cmPackage Weight: 298gGeneral Box PackagePacking List:1* 4500KV Brushless Motor1* 60A ESCPackage List:1* 4500KV Brushless Motor1* 60A ESC