Kinetic by Kurt Wireless Power Computer Kinetic Wireless Power Computer is designed to give you accurate power (watt) readings when using a Kinetic Trainer. All other cyclo computer functions (speed, distance, cadence, calorie burn, etc.) are accurate both on and off the trainer Heart rate monitor built into the Power Computer. Chest strap included. Comes with computer, stem/handlebar mount, speed transmitter w/magnet (wireless), cadence transmitter w/magnet (wired), battery, Cable Ties, and chest strap (heart rate monitor). Watts reading is calibrated on the following mathematical equation:P = (5.244820) * S + (0.01968) * S3 where S=speed and P=power