Feature:1. Precision balanced rotor, smoothness for best reliability and maximum RPM.2. Excellent torque and long-run times. Direct-solder wiring tabs for flexible soldering options. Dual-ball bearings design.3. Multiple conservation Features: Low voltage cut-off conservation, over-heat conservation, throttle signal loss conservation.4. For 1/8 1/10 RC car, RC boat.5. If there are any problems, please contact our store in time. We will give you a satisfactory solution.Specification:Features:Precision balanced rotor, smoothness for best reliability and maximum RPM.Excellent torque and long-run times. Direct-solder wiring tabs for flexible soldering options. Dual-ball bearings design.Multiple conservation Features: Low voltage cut-off conservation, over-heat conservation, throttle signal loss conservation.For 1/8 1/10 RC car, RC boat.If there are any problems, please contact our store in time. We will give you a satisfactory solution.Specifications:Name: RC Motor and ESCWatts: 900WMax Voltage: <16VMax Amps: 56AKV(RPM/Volt): 3100KVMax RPM: 50000Diameter: 36mmLength: 50mmShaft Length: 15mmShaft Diameter: 3.175mmPlug Type: 4mm Golden Banana Plug45A ESC Specification:Continuous Current: 45ABurst Current: 180ABattery: 2-3S Li-Po / 4-9S Ni-Mh Ni-CdBEC Output: 5.8V / 3APower Supply Plug: T Plug MalePackage Information:Package Size: 10*6*5cmPackage Weight: 260gPlastic PackagePackage Listing:1* 3100KV Brushless Motor1* 45A Brushless ESCPackage List:ing:1* 3100KV Brushless Motor1* 45A Brushless ESC