The RPM sensor plugs directly into your TQi receiver to provide real-time speed and RPM data while you drive. Real-time telemetry requires a telemetry magnet, TQi radio with Traxxas Link Wireless Module, and the free Traxxas Link app for your mobile device. Includes 3x4 screws (2).
Please ensure compatability with your model before purchasing.
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Traxxas
Traxxas Sensor, RPM Short 3x4mm BCS