This is a nice compact unit great for limited spaces it works great has an adjustable speed from around 1.5 mph to ?? whatever comfort level u like the height is adjustable manualy and the LCD readout gives you SPEED,Calories,Distance,Pulse,weight etc. the readout is battery operated with AA bats, I weigh 287 pounds and it moves me right along smoothly great and compact unit for Younger folks, I am 74 so needless to say its a little hard on me.Wanna Trade? whatcha got i will trade for most anything you might wanna trade for, digital camera, computer stuff, tools name it lets talk...e mail me or call me at 352-812-8915 P.S as u can see from the pics it does need cleaning.