Includes:1x XeRun AXE R3 ESC1x XeRun AXE 4200 series motorXeRun Axe R3 ESC (6S high-power crawler ESC)Features:The ESC supports up to 6S LiPo battery and has a maximum output continuous current of up to 135A.The AXE R3 can be used on 1/6, 1/7, 1/8, and 1/10 scale crawler using a new compact design Also compatible with all AXE R2 3500/3600 series motors.Dual external control channels, real-time adjustment of parameters.Smart Fan Start and Stop Function: The fan starts to operate automatically ONLY when the ESC temperature reaches the preset value. The smart start and stop function of the fan helps to save power, reduce noise, and also ensures that the ESC works in a good temperature range.High protection level: The AXE R3 brushless system is now IP67 protected. It has excellent waterproofing and dust-proofing performance to cope with various climatic conditions.Super Internal BEC: It has a built-in powerful BEC with a maximum output current of 15A. The voltage is switchable between 6V/7.4V/8.4V and is suitable for various standard/high-voltage servos and peripheral electrical equipment on the market (such as light sets, winches, etc).Built-in Bluetooth for Connecting the Mobile APP Directly: The ESC has a built-in Bluetooth module. Parameter settings, data reading, firmware upgrade and other operations can be achieved by connecting the device to the mobile APP.Obtain AXE Running Status with Real-time Data Function with ease: Connect the ESC to the HW Link mobile app and turn on the real-time data function. You are able to view throttle, voltage, current, temperature, speed and other data in real time, and obtain the ESC and motor operating status with ease.Built-in data logging function, ease of obtaining power operating status: The ESC has a built-in data recording module. Store up to 10 minutes of your most recent run. Using the HW Link V2 saved to the ESC. In addition, the module allows you to view Time Data from the ESC for bench top testing and viewing of data