27 inch display, walk, run, go up to 15% hill or down from hill -3% while watching favorite shows on Amazon prime, netflix etc. Also available runs with digital trainers. Open built in app to choose free (more trainers available with a subscription) running programs with digital trainer, treadmill will automatically choose speed and incline to catch up with the trainer. Also this treadmill is heavy as f*ck so make sure you gonna use it before you buy, don't make my mistakes!