Maybe one of these similar products would be of interest:-

300lb 2.5HP Portable Folding Treadmill w/Desk for Home Running Machine w/Incline

Giantex 1.5HP Electric Folding Treadmill w/Adjustable Incline, Jogging Running Machine w/ 12 Pre-Set Programs, LCD Display and Heart Rate Sensor, Portable Treadmill w/Low Noise for Home and Office

3.25HP Folding Treadmill w/Incline & 18" Wide Belt Running Machine w/36 Programs

Treadmill with Desk Workstation & Adjustable Height Folding Treadmill w/Incline?

Treadmill with Auto Incline Home Folding Treadmill w/Heart Sensor 3.5 HP Quiet