A true breakaway in power meter technology, Podiiiium Pro provides the same accuracy and dependability as PRECISION, but with the convenience and versatility of a USB-rechargeable battery. With 60 hours of battery life between charges, you can be sure that your Podiiiium will last as long as you can.Podiiiium is a major step forward based on the same patent pending PRECISION 3D Strain Gauge technology that powers UCI World Tour Teams.-3D Power Measurement - 4iiii's patented 3D power measurement system measures multidimensional strain, so you can be confident that your unique pedal stroke is still measured accurately no matter your riding conditions.-Industry Leading Accuracy - Our +/- 1% accuracy isn’t just a claim, it’s been third party tested and validated by leading scientists and the Locomotion Lab at the University of Colorado.-Dual-Channel ANT+ & Bluetooth Smart - 4iiii Powermeters communicate their measurements over both the widely-used ANT+ and Bluetooth Smart radio standards.-3 Year Warranty - 4iiii Powermeters are waterproof, durable, and designed to be accurate and precise even in the harshest conditions. Because of this, we are happy to offer an industry-leading 3-year warranty.-Product is new, but may have minor cosmetic imperfections.