5Ax2 Brushed ESC Dual Two-way Speed Controller 1:16 RC Tank Tracked 2S 3S Lipo

Start with midpoint (throttle passage 1500 or so, you will hear the motor "Doodle", electric regulation start). Note: This electric regulation can drive Henglong with nylon teeth wave box 380 motor, but black and blue 380 motors exceed the standard.