Futaba SBS-02A, Telemetry Altitude Sensor.

Futaba SBS-02A Telemetry Air Pressure Sensor (Height/Variometer) : FUTEBB1163

T-rex 450PRO Flybar Rotor Head Assembly for Align Trex 450 PRO RC Helicopter

T-rex 450 PRO RC Helicopter DFC Rotor Head Assembly for Align Trex 450PRO

Futaba Sbs-02A Air Pressure Telemetry Sensor (Fasstest/T-Fhss)

RC Helicopter T-rex 450PRO Tail Rotor assembly for Align Trex 450 PRO Part

RC Helicopter 500 Flybarless Main Rotor Head Assembly for Align Trex 500 FBL

RC Helicopter 450 SE V2 Aileron Rotor Head Assembly for Align Trex 450V2 Part