Designed for home use, the Merax JK103A treadmill features a sleek contemporary design with space-saving folding capabilities for easy storage. Outfitted with a powerful but quiet 500W motor, our treadmill is sturdy and reliable, strong enough to withstand long distance running sessions and with programmed versatility, achieving 0.62 - 7.5 MPH to help you meet different fitness goals. A large LCD display helps track all necessary performance statistics including speed, time, distance and calories burned to keep you motivated. 3 built-in programs alternate between high and low intensity recovery periods to improve your aerobic capacity and burn an increased amount of calories.Specification:Speed: 1 KM/H - 12 KM/H; 0.62 MPH - 7.5 MPHAssembled Size: Approx. 54.7 x 25.2 x 42.3 inches (L x W x H)Folded Size: Approx. 54.7 x 25.2 x 9.8 inches (L x W x H)Running surface dimensions: 14.2 x 43 inchesProduct weight: Approx. 75 LBSWeight Capacity: 250 lbs3 Built-in workout programsRated Power: 500W, Peak Power: 500WRated Voltage: 110VThis treadmill has been adjusted into good condition before shipping out. In the event of daily use, the customer might need to conduct regular maintenance and make small adjustments for maintenance.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.The Merax JK103A treadmill is ideal for in-home use where saving space is a concern, allowing you to have convenience without compromising on quality and reliability.