F80 treadmill offers an industry-leading warranty and a proprietary Cushion Flex Whisper Deck shown in a study to reduce impact on your joints by up to 40% compared to running on asphalt3.5 CHP DC Type motor with 0.5-to-12 MPH speed range 0-to-15% rack-and-pinion gear design incline two-ply belt pulse grip and chest strap heart rate monitoringSix standard programs two custom programs and two heart programs; cooling fans and MP3-compatible sound system; 7.5-inch LCD workout displayMeasures 35 by 58 by 80 inches (W x H x D); deck measures 35 by 80 inches (W x D); running surface measures 22 by 60 inches (W x D); 265-pound weight and 375-pound weight limit; 2.75-inch rollersIncludes the following manufacturer's warranties against defects in materials and workmanship: lifetime on frame motor and deck; five years on electronics; and two years on labor