Rhino Crawler 80A has one USB Link for free. This ESC preloaded AM32 custom firmware. It’s optimized for crawler and makes your car run super smooth and quiet, but it is also suitable for a variety of 1/8 scale or smaller cars. A built-in adjustable four voltage BEC with a maximum current 10A to apply the high torque servo. In addition, the e-Switch that comes with it avoids failures caused by harsh environments. All wires are pre-soldered. Sinewave startup allows the motor smoothly at ultra-low speeds Variable drive frequency. Low voltage, throttle loss and stalled rotor protection. E-switch with long life and waterproof. BEC: max 10A, output 5.28.2V adjustable by DIP switch. Waterproof: ESC not supported / e-switch supported. FAN: not include, solder pads for power is reserved. Wires: battery 14AWGx150mm, output 14AWGx150mm, signal 250mm and e-switch 120mm. Dimensions: 60x29x15mm (without wires). Suitable for a variety of ESCs, such as AM32/BL32, etc. Connect ESC to computer for configuration or upgrade firmware. It is portable and easy to use, just connect the ESC signal plug, connect the USB Type-C cable to the computer and install the VCP driver.