Spirit is a worldwide leader in the treadmill industry. They have been making commercial and residential treadmills since 1988 in their 120,000 square foot facility located in Jonesboro, Arkansas. However, Spirit remains a family owned and operated business dedicated to revitalizing and reinventing the treadmill industry. Manufacturing quality treadmills that last is a top priority for Spirit Manufacturing. Here are a few of the innovations for which Spirit is responsible: The first company to offer Heart Rate Control treadmills The first to use PWM technology in residential treadmills The ONLY treadmill company to offer the Trax Flex system, an adjustable low-impact design on most of the treadmill. Key Features: Same Great Features as the SL218 But with Heart Rate Control and Greater Horsepower! 7 Window dot matrix red LED display window shows time, calories, pulse (via hand grip sensors), distance, incline and speed. 10 Preset programs and 2 user programs offer a wide variety of workouts. 3 Heart Rate Control programs Chest Strap Included! Remote switches on hand rails operate speed & incline. Choice of 5 speed and incline ranges operated by a single key selection Low Impact suspended floating deck. Gas spring assist makes folding easy. 10 Year Motor Warranty. Specifications: Motor Horsepower 3.0 hp Continuous Duty Incline 15% Belt 2-ply Low Noise Design Belt Width 20" Walking Surface 55" User Weight Capacity 330 lbs. Roller Size 2.3" Pulse Grips Standard Maximum Speed 10 mph Size/Frame 76" x 33" Folded Position 35" x 33" Weight 250 lbs. Color Champagne bronze/black accents Warranty Information: Electronics 2 Years Motor 10 Years Deck 2 Years Belt/Roller 2 Years Frame Weldments Lifetime