The Runn Smart Treadmill Sensor by NPE provides accurate speed, distance, incline and cadence data for treadmill running. Can be linked to a smartwatch (garmin for example) or smartphone app for treadmill runs. Comes with Runn unit, bracket, adhesive tape to attach to the treadmill, treadmill stickers, and original box/paperwork. For further information see reviews etc online. Built in rechargeable battery but also works off usb power.