Feature: 1. Fully Waterproof Design: 4 pole 12 slot high torsion motor design. Fully waterproof design for all environments. CNC machined 6061 T6 billet aluminum heat sink, high purity copper windings for maximum efficiency, and high speed ABEC5 oversized bearings. 2. Good Heat Dissipation Performance: Precisely balanced rotor with best reliability and maximum speed, convenient and practical. ESC has strong current resistance and good heat dissipation performance. Long service life, a good choice for RC car replacement. 3. Proportional Brake: This ESC is made of plastic and alloy material, 4 speed maximum braking force adjustment and 8 speed resistance braking force adjustment of proportional brake. 4. Multiple Protection: This ESC has multiple protection functions, low voltage cut off protection, overheating protection, throttle signal loss protection and motor blocking protection. 5. Good Compatibility: Built in 5.8V/3A BEC, external programming port, easy to connect program card when setting ESC, compatible with digital LED program card. 60A waterproof brushless ESC compatible with brushless motors with XT60 plug, dustproof, designed for RC model cars. Specification: Item Type: RC Brushless ESC Material: Copper, Plastic, Aluminum Alloy Color: Black and red Motor Model: 3650 KV (RPM / Volt): 4500kv Wattage: 900W Maximum Speed: 50000 Maximum Voltage: <12V Maximum Amperage: 75A IO: 2.7A Resistance: 0.0075 Number of Rotor Poles: 4 Motor Diameter: Approx. 36mm / 1.42in Motor Length: Approx. 50mm / 1.97in (Without shaft) Motor Shaft Length: Approx. 15mm / 0.59in Shaft Diameter: Approx. 3.17mm / 0.12in Connector: banana head Approx. 4.0mm / 0.16in ESC Continuous Current: 60A Maximum Current: 320A Resistance: 0.0007ohm Battery: 2-3S cells Lipo Motor Support: No inductive brushless BEC Output: 5.8V/ 3A (switching mode) Product Size: Approx. 50 x 36 x 31mm / 1.97 x 1.42 x 1.22in (without wire) Scope of Application: Suitable for 1/10 1/12 1/16 RC flat sports or racing models and Suitable for Traxxas, for Hsp, for Redcat, for Tamiya, for Axial scx10, for D90, for Hpi light installation. Package List: 1 x 3650 Brushless Motor 1 x 60A ESC 1 x Manual Note: 1. Due to manual measurement, please allow 1‑3mm error, thank you! 2. Due to the difference between different monitors, the picture may not reflect the actual color of the object. 3. Remove the heat dissipation fan before using the switch in water. Clean and dry the connector as soon as possible after using the switch to avoid rust.