The world’s first dual-action technology that cleans glass to a sparkling shine and simultaneously provides a water & soil repellent coating for improved visibility & driving safety in rain, sleet and snow.

Patent-pending, dual-action Rain Clear also reduces the adhesion & buildup of water spots, bugs, tree sap, road grime & mud splatter for easier cleaning

DIYGurus' 2 cents worth :
Finally! A rain repellant that WILL NOT cause wiper chattering unlike some of its competitors. A clear vision without those annoying noise from the wipers is definitely "music to our ears". Cruise through those thunderstorm effortlessly with Rain Clear Glass Cleaner And Repellant and experience some of the clearest views you can imagine. If you think application is a whole lot of hassle, take note that this is a 2 in 1 cleaner and repellant. Simply put, while you're cleaning those windscreen, you are really also applying repellant in the same stroke. What more can we ask for a product that is so so effective? Is that crystal clear?