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 asphalt. 4.0 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 monitoring. Six standard programs, two custom programs, and two heart programs; cooling fans and MP3-compatible sound system; nine-inch LCD workout display. Measures 35 by 58 by 80 inches (W x H x D); deck measures 35 by 80 inches (W x D) and running surface measures 22 by 60 inches (W x D); 265-pound weight and 400-pound weight limit; 2.75-inch rollers. Includes 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.