Traxxas telemetry changes the game by allowing you to monitor and record real-time data from your vehicle while you drive. The waterproof Telemetry Expander 2.0 includes the GPS Module 2.0 for the most accurate speed possible and accepts up to six additional auto-detectable sensors. The Traxxas Link app automatically recognizes sensors, so setup takes only a few moments! Advanced communication bus technology allows you to connect the telemetry expander to your TSM receiver or to your High-Voltage Power Amplifier, or directly to the VXL-6s and VXL-8s electronic speed controls with optional data cables. Install the Telemetry Expander, choose your sensors, and prepare for an all-new RC driving experience!