First You have to create Compare properties page from
Dashboard / Pages / Add new Page
Add “REM: Compare Properties” page element
After that navigate to :
Dashboard /WP REM settings / General options / Compare Properties
Turn switch ON and Select Compare page which you have made before to compare properties.
Front End View :
First of all select Properties which You want to compare suing compare button Then click on Compare list .
Your compare properties page will be shown in which properties features will be compared.