The Proform 400 ZLT is a superb entry level treadmill but still has many features associated with more expensive models including an electronically adjustable incline of up to 10% controlled with the up/down keys or by using the Quick Speed buttons at the console level. The 1.75 CHP motor gives speeds of up to 10 mph (16 Kph). If comfort is critical during your workout then the cushioned running belt & the dual speed fan located at the console level will ensure you have a comfortable workout. There are 6 easy to use programs, 3 of which are for weight loss & 3 for performance workouts, which can be displayed on the LCD screen. The Proform 400 ZLT is a compact treadmill with a drop shock system that make folding & unfolding easy & safe, with built in transport wheels for easy transport.