New Hobbywing S.BUS2 Telemetry Adapter for Futaba adapter with Hobbywing Platinum V4 / V4.1 / V5 series electronic governor or Hobbywing vehicle model ESC that supports real-time data (refer to relevant product instructions or official website information) and FUTABA equipment, It is easy to send the Telemetry data of the ESC to FUTABA equipment such as receivers, gyroscopes, etc., so that users can view the ESC operating status data (current, voltage, speed, etc.) in real time on FUTABA devices (e.g. remote control). The two LEDs clearly show the operating status of the adapter. It is compact and lightweight and does not take up too much space made for easy installation.

https://www.hobbywingdirect.com/products/futaba-telemetry-adapter?_pos=1&_sid=0ef98bda7&_ss=r