The Executive Trainer panel features a computer-animated video display with state-of-the-art graphics. Features include: • Personal data and statistics storage for five family members • Numeric keypad with Quick-Speed and Quick-Grade controls • 5 Built-in programs with variable time and unlimited effort levels • 5 User-defined programs • Time, distance, and calorie goal programs • 6 fitness tests: Balke, Firefighter, Army, Navy, USMC, USAF • 2 Built-in heart-rate monitoring programs • 2 User-defined heart-rate monitoring programs • Standard wireless-chest-strap heart-rate monitoring system • Standard AccuTrack contact heart-rate monitoring system >>Download The Executive Trainer Manual here! The Cardio Trainer Control panel features a two-color, hi-definition, motivational display. Features include: • Numeric keypad with Quick-Speed and Quick-Grade controls • 5 Built-in programs with variable time and unlimited effort levels • 5 User-defined programs • Time, distance, and calorie goal programs • 3 Fitness tests: Balke, Firefighter, Army • 2 Built-in heart-rate monitoring programs • 2 User-defined heart-rate monitoring programs • Standard wireless-chest-strap heart-rate monitoring system • Standard Accutrack contact heart-rate monitoring system >>Download The Cardio Trainer Manual here! The Pro Sports Trainer panel features the same two-color, hi-definition displays as the Cardio Trainer but without the heart-rate control programs and display. Wireless chest-strap, heart-rate monitoring is included. AccuTrack contact monitoring is optional. >>Download The Pro Sport Trainer Manual here! The Sport Trainer offers a simplified control panel for users who wish to set their own pace. Features include: • Statistics display showing Time, Distance, Elevation, Calories, Pace and optional Pulse • Optional Accutrack contact heart-rate monitoring system with wireless-chest-strap heart-rate monitoring • 20"x58" four-ply treadbelt • 2-1/2" diameter, 14-pound steel rollers • 400-pound user weight capacity • Reading / Accessory Rack • L7 Footprint 32" x 77" - Weight 300 lbs. • 15% electric grade elevation • 0.5 - 12 mph speed range   • 22"x63" four-ply treadbelt • 3-1/2" diameter, 22-pound steel rollers • 500-pound user weight capacity • Reading / Accessory Rack • L8 Footprint 32" x 82" - Weight 415 lbs. • 15% electric grade elevation • 0.5 - 12 mph speed range