HTS-MRPM (Magnetic RPM Sensor)
HTS-TEMP (Temperature Sensor)
HTS-IVIEW (55862) Telemetry Interface for use with Apple products(µ¥ÀÌÅÍ ÃøÁ¤)
55841 (HTS-VOICE) HTS-VOICE Telemetry Voice Announcing System(À½¼º¾È³»)
55846 Hitec HTS-SS Blue 2.4GHz Telemetry System Sensor Station