This American idea is starting to filter through into Australia - expect to pay from $30.00 up to $50.00. Designed primarily for our caravanning cousins it works well on the front wall of a van. It would work great on a 5th Wheeler. You could adapt it to suit your motorhome - up the back under a table etc. You can definitely see this one without your specs! We found this one at Coast to Coast RV in Brisbane.