The Traxxas 6521 Temperature & Voltage Telemetry Sensor (Long) is an essential upgrade for RC enthusiasts seeking real-time performance monitoring. Designed to integrate seamlessly with the Traxxas TQi™ radio system, Key Features: Real-Time Monitoring: Delivers live data on motor temperature and battery voltage, helping prevent overheating and ensuring optimal performance. Versatile Installation: Equipped with a precision thermistor, the sensor can be mounted on various components, including the motor, ESC, battery, or exhaust pipe, to monitor their temperatures effectively. Voltage Tracking: When paired with the Traxxas Power Tap Connector, it measures battery voltage in real-time, allowing users to observe voltage drops under acceleration and assess battery health. Compatibility: Compatible with a wide range of Traxxas models such as the XO-1, Revo, Slash 4X4 Ultimate, T-Maxx, Jato, and more. ns RC)Integration Requirements: To utilize the telemetry features, a TQi radio system with the Traxxas Link™ Wireless Module and the Traxxas Link app installed on a mobile device are required. This sensor is ideal for hobbyists aiming to enhance their vehicle's performance monitoring capabilities, ensuring longevity and efficiency during operation.