Features 1、Stable Power Output: The RC brushless motor uses 4 pole 12 slot high torsion rotor design, which has strong torsion and stable power output. 2、Efficient Operation and Excellent Start: This motor is CNC machined with aluminum front and rear covers. Excellent electrical control components ensure efficient operation with excellent start, acceleration and linear functions. 3、Mutiple Protection Features: Low voltage cut off protection battery, Over heat protection, Throttle signal loss protection, motor blocked protection. 4、Servo: This motor set contains a servo, which is waterproof. Adopt high performance digital standard 3 wire 2.2kg servo. 5、Copper Coil and Stainless Steel Output Shaft: This motor uses high purity high temperature resistant copper coil to provide high efficiency. And high toughness stainless steel output shaft for durable motor. Specification Item Type: Brushless Motor Set Motor Parameters: Shell Material: Aluminum Alloy Color: Dark Blue Motor size: (Approx.) 24 x 34.5mm / 0.9 x 1.4in Shaft Diameter: (Approx.) 2mm / 0.1in Shaft Length: (Approx.) 12mm / 0.5in KV Value: 4800 KV Watts: 300 Maximum Speed: 60000 Maximum Current: 22A Rotor Pole Number: 4 Connector: (Approx.) 3.5mm / 0.1in male banana head Esc Parameters Shell Material: Plastic, Aluminum Alloy Color: Dark blue Esc Size: (Approx.) 41 x 28 x 17.5mm / 1.6 x 1.1 x 0.7in (without cables) Continuous Current: 25A Peak Current: 100A (10 seconds) Applicable Battery: 2S lipo Connector: (Approx.) 3.5mm / 0.1in female banana head Servo Parameters Shell Material: Aluminum Alloy Color: Black Working Speed (4.8V) : No load 0.10sec/60° Working Speed (6.0V) : No load 0.08sec/60° Stall torsion (4.8V) : 1.8kg.cm Stall torsion (6.0V) : 2.2kg.cm Servo Size: (Approx.) 43 x 35 x 16mm / 1.7 x 1.4 x 0.6in Applicable: For HSP, for Wltoys and for other brands 1/16 1/18 remote control car Package List 1 x Motor 1 x ESC 1 x Manual 1 x Servo 1 x Servo Arm 4 x Screw