RhinoESC Crawler 80A ESC 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 applythe high torque servo. In addition, the e-Switch that comes with it avoidsfailures caused by harsh environments. Specs Product Num.: A3100 Battery: 2~8S Lipo Current: 80A cont. BEC: max 10A, output 5.2~8.2V adjustable by DIP switch Waterproof: ESC not Supported / e-switch supported FAN: not include, solder pads for power is reserved Connectors: not include Wires: battery 14AWGx150mm, output 14AWGx150mm, signal 250mm and e-switch 120mm Dimensions: 60x29x15mm (without wires) Weight:58g USB-Link 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. Specs Product Num.: EUL-01 Wires: not include Dimensions: 25x13x11mm Package: 1x Crawler ESC 80A 1x USB Link