The top-selling PDA accessories in the world, WriteRights are clear overlays that fit directly over the screen of your handheld device. Once installed, WriteRights protect the fragile screen from scratches. In addition, they reduce glare and improve handwriting recognition by simulating the feel of writing on real paper. This product is designed for the following systems: HP iPAQ 1910. For a complete compatibility list please refer to the original manufacturer's web site.