Takeoff from my racing bike, works well and ready to work with 8 bolt direct mount crank arms - 10K active temperature compensation - wireless data transmission via Bluetooth Low Energy or ANT + - changes of transducers do not require recalibration, they have no effect on the accuracy of the measurement - cadence measurement using acceleration sensors (no additional magnet required!) - waterproof construction according to the IPX7 standard - The power LED always provides battery status information - Operating time 200 hours (replacement of battery without tools according to standard C2032) +/- 1.5% measurement accuracy