1Maximum Power Conversion: Motor adopts precision waterproof design, and 4 pole 12 slot high torque motor design, can realize the maximum power conversion. 2Diverse Features: CNC machine tool, processing steel billet, 6061T6 aluminum cooling fin, secondary oxidation treatment, high end and fine appearance. 3Long Service Life: High rotation speed ABEC5 super durable sealed bearing, low friction, low noise, high accuracy, making the use of more durable. 4Wide Applicability: General purpose, suitable for 1/14, 1/16 brushless cars, and used together with M3 screws. 5Precise Balance Rotor: Adopt precise balance rotor to make smoothness best and speed maximum. Ultra thin stator lamination (0.35mm), easy to remove and replace. 62.4G Frequency 2 Channel Remote Control: 2.4G frequency 2 channel remote control, super anti interference, can provide longer remote control distance and smooth operation. 7Throttle Speed Limit Adjustment Function: Unique throttle speed limit adjustment function allows beginners to quickly start at a safe speed. Item Type:RC2.4GCH2TransmitterReceiverSetWeight: Approx.349g / 12.3ozMaterial: Plastic + Electronic Components + CopperColor: Red Black2838 Motor:KV(RPM/Volt): 3600KVPower: 600WMaximum Speed: 50000Maximum Voltage: 14VMaximum Current: 43ARotor Poles: 4 PoleResistance: 0.0415Diameter: Approx.28mm / 1.1inLength: Approx.38mm / 1.5in (Shaft Not Included)Shaft Diameter: Approx.3.175mm / 0.1inShaft Length: Approx.15mm / 0.6inConnector: Approx.3.5mm / 0.1inRemote Control Battery: 2pcs 1.5 AA Battery (Purchased Separately)Remote Control Frequency: 2.4G/CH2Remote Control Distance: Approx.100m / 109.4ydESC Size: Approx.41 x 30 x 11mm / 1.6 x 1.2 x 0.4inContinuous Current: 30AESC Plug: T PlugApplicability: Suitable For 1/14, 1/16 Brushless Cars 1 x CH2 Remote Control1 x 2838 Brushless Motor1 x 30A ESC1 x Manual 1. Please allow 01 inch error due to manual measurement. Thanks for your understanding. 2. Display calibration is inconsistent, and the colors of the items displayed in the photos may be slightly different from the actual objects. 3. 2 channel remote control factory automatic frequency adjustment, 2 in 1 30A electric adjustment BEC built in, can supply power for steering gear and lamp group. AUX is a 3 channel switch, which can control the lamp group.