Hobbywing XERUN XR10 Justock G3 Spec Racing ESC 

• Built-in polarity protection. The XR10 Justock has integrated MOSFET's that if the battery terminals are connected in reverse, the MOSFET will be reverse-biased and will not allow current to flow through the system
• Programmable via OTA Bluetooth module or 3in1 program box
• Built-in capacitor module eliminates the need for external capacitors and unwanted space
• RPM speed limit function supports up to 6 different speed, RPM, selections to meet the needs and demands of various competitions in the world (Set through OTA module or 3in1 box)
• Internal ESC timing has been set to 0 degrees and cannot be adjusted for stock racing
• Built-in BEC can support a maximum output current of up to 8A. Output voltage can be set between 6V or 7.4V
• Calibration or preforming a factory-reset can be achieved by using this SET button. Simple and easy to use
• Supports both CCW (counterclockwise) and CW (clockwise) motor directions
• Protection functions include: reverse polarity, battery voltage, ESC temperature, motor temperature, signal lost and locked rotor protection
• Supports ESC firmware upgrades
• User-friendly and convenient for set-up