Features 1、[Small And Lightweight] Compact design, lightweight, will not burden the remote control car, can effectively improve the performance of your remote control car. 2、[Programming Port Design] Brushless motor and ESC kit, external programming port design, easy to connect the program card when setting the ESC, increase playability. 3、[Waterproof] The high quality components of this 120A ESC make it waterproof and dustproof, and durable (underwater work requires removing the cooling fan). 4、[One Key Operation] Use the "SET" button on the ESC to set the ESC with one key, and easily restore all parameters to the factory default settings, which is easy to use. 5、[Adjustable] RC car upgrade kit, 9 speed acceleration (punch) adjustment, from "soft" to "very aggressive" to suit different types of cars, tires and tracks. Item Type: Brushless Motor + ESC Kit Motor Parameters: Material: Aluminum Alloy + Copper Color: Black KV Value: 3100KV Motor Size: Diameter: Approx. 36mm/1.4in Length: Approx. 50mm/1.9in (Excluding Shaft Length) Shaft Length: Approx. 15mm/0.6in Shaft Diameter: Approx. 3.175mm/0.12in Maximum Speed: 60000 Maximum Current: 100A Connector: 4.0mm/0.16in Golden Banana Head ESC Parameters: Material: Plastic + Electronic Components Color: Blue Continuous Current: 120A Burst Current: 600A Product Applicable Battery (Not Included): 2-4S Lithium Battery BEC Output: 5.8V/3A Applicable: for 1/10 1/8 RC Car Package List 1 x Motor 1 x ESC 1 x Manual