The F80 treadmill steps up to a leading warranty and the Cushion Flex Whisper Deck, shown in a study to reduce impact up to 40-Percent (.365-.400) as compared to running on asphalt. The strong 3.0 Cont. Duty HP motor delivers challengins speeds up to 12 MPH and inclines up to 15-Percent. When not in use the deck safely locks into place, 100-Percent secure. Other safety features include a large stop switch, low profile running hood, and a starting speed of 0.5 mph. Additional features include cooling fans, speed and incline controls on the handlebars, and built in speakers to hook up MP3 players, Ipod, etc for easy listening.