1、4 pole 12 slot motor design and the waterproof ESC design make this motor set with high performance and high reliability, fit for 1/8 RC remote control cars. 2、Precisely balanced rotor has sufficient smoothness to achieve the best reliability and maximum RPM, with excellent throttle linearity and driving experience. 3、Comes with a cooling fan, the 120A brushless ESC has good heat dissipation performance. 4、The ESC is equipped with an electronic switch. Compared with the traditional mechanical switch, it can avoid problems such as unexpected shutdown of the mechanical switch due to impact. 5、The programming card can better program the brushless ESC and increase DIY interest. Item Type: 3670 2150KV Brushless Motor Set + 120A ESC + Programming Card Material: Aluminum Alloy + Plastic Product Color: As Pictures Shown Product Weight: Approx. 519g / 18.3oz Compatible: Fit for 1/8 RC Car Motor Parameters: Shell Material: Aluminum Alloy Product Color: Red Height: Approx. 70mm / 2.8in Diameter: Approx. 36mm / 1.4in Shaft Length: Approx. 17mm / 0.7in Shaft Diameter: Approx. 5mm / 0.2in KV (RPM/Volt): 2150KV Speed: 50000 Power: 1600W Maximum Current: 70A ESC Parameters： Continuous Current: 120A Peak Current: 600A BCE Output: 5.8V/3A Cooling System: Cooling Fan Whether to Program: Programmable 1 x Motor 1 x ESC 1 x Programming Card 1 x Manual