Features 1、External Programming Port: Easy to connect program card when setting electronic speed controller. Light weight, will not bring too much burden to the remote control car. Fit For 1/10, 1/8 remote control vehicles. 2、Waterproof Design: This 120A ESC high quality component makes it waterproof and dustproof and durable. (The cooling fan needs to be removed for underwater work) 3、Easily Restore All Parameters: One click ( "SET" key on the electronic speed controller) to set the electronic speed controller, easily restore all parameters to factory default settings. 4、Manufacturing Material: Motor shell is made of high quality aluminum alloy material, with good heat dissipation performance, so as to ensure the car run longer. 5、Easy to Use: Suitable for 1/10 1/8 RC cars. Easy to use and fine workmanship. Without any difficult requirements even though you use it for the first time. Specification Item Type: 3650 3100KV Motor Kit Weight: Approx.296g / 10.4oz Motor Parameters Material: Aluminum Alloy + Copper Color: Black KV Value: 3100KV Motor Size: Diameter: Approx.36mm / 1.4in Length: Approx.50mm / 2.0in (Excluding Shaft Length) Shaft Length: Approx.15mm / 0.6in Shaft Diameter: Approx.3.175mm / 0.1in Maximum Speed: 60000 Maximum Voltage: 8.4V Maximum Current: 100A Connector: Approx.4.0mm / 0.2in Golden Banana Head Electronic Speed Controller Parameters Material: Plastic + Electronic Components Color: Blue Continuous Current: 120A Burst Current: 600A Applicable Battery (Not Included): 2-4S Lithium Battery BEC Output: 5.8V 3A Power Plug: XT60 Motor Plug: Approx.4mm / 0.2in Banana Female Plug Programming Card Parameters Color: Black Material: Plastic Low Voltage Cut Off: 3.7V, 3.6V, 3.5V, 3.4V, 3.3V, 3.2V, 3.1V, 3.0V, 2.9V, 2.8V, 2.7V, 2.6V Startup Mode: Medium, Soft, Strong Maximum Braking Force: 50%, 25%, 75%, 100% (25A, 35A, 45A, 60A) 25%, 50%, 75%, 100% (80A, 120A) Maximum Reverse Force: 25%, 50%, 75%, 100% Neutral Range: 9%, 6%, 12% Working State Application: Fit For 1/10, 1/8 Remote Control Vehicles Package List 1 x Motor 1 x Electronic Speed Controller 1 x Programming Card 1 x Manual