If you have little time go to the gym, or prevented from running due to bad weather, this home use treadmill is an excellent choice for you. With this treadmill, your home is the ideal gymnasium that will help you stay in shape. Merax treadmill JK1604 is a stylish contemporary design that is easy-to-use, and to fold and store simply roll it out when you need it and fold it away when you're done. Monitor your time, calories, distance, speed, and heart rate on the LCD display and choose from pre-set interval training programs and manual program with easy-to-use interface. The pre-set programs alternate between high intensity and low intensity recovery periods to improve your aerobic capacity and burn calories after your workout. All this plus a ONE YEAR warranty on frame and Motor to give you peace of mind. Specifications: Speed: 1KM/H-10KM/H, 0.62MPH-6.2MPH Assembled size: Approx. 25 by 45 by 58 inches Folded size: Approx. 25 by 25 by 51 inches Running surface measures: 14 by 44 inches Product weight: Approx. 70 lbs 3 Built-in workout programs Three incline positions Rated Power: 500W, Peak Power: 500W Rated Voltage: 110V Weight Capacity: 220 lbs This treadmill has been adjusted into good condition before shipping out. For daily use, customer might need regular maintenance and small adjustments for better use. If the running surface becomes loose it can be adjusted by turning both sides evenly. Turning clockwise will tighten the running surface. Turning counter-clockwise will loosen the running surface. If the running surface moves to one side, adjust by tightening the loose side. Turning clockwise will tighten. Turning counter-clockwise will loosen. Small adjustments as quarter or half turns are recommended. Tightening the running surface too tightly might damage the machine.