Hitec HTS-Airspeed - 55854 - speed sensor for telemetry
Sensor able to accurately measure the real flight speed of the model thanks to a probe that detects the static and dynamic air pressure differential, just like in real airplanes.
Hitec HTS Variometr Extremely accurate and accurate barometric variometer, ideal to know immediately the rate of ascent or descent. A must for every self-respecting glider pilot.