The Precision 3+ Power Meter is a lightweight crank-based power measurement device designed for cyclists who want accurate performance data during rides. While riding, it transmits watts, cadence, and calories to your head unit of choice via ANT+ and Bluetooth connectivity. When not in use, the power meter integrates with Apple Find My technology, allowing you to locate it on an iPhone, iPad, Mac, or Apple Watch. This dual functionality combines training data collection with device tracking capabilities. The power meter delivers industry-leading accuracy at +/-1% and features an automatic terrain selector to adapt to different riding conditions. It is fully waterproof and weighs just 9g, making it a minimal addition to your bike setup.