The Smart Cat 4 Button Glidepoint Touchpad sets the standard of comfort plus performance in touchpad computer control. With intelligent software, one touch scroll and zoom, and distinctive sounds for each operation, it combines all the power of a top of the range mouse with the unrivalled comfort and durability of a touchpad. Access right clicks by tapping a finger in the touchpad's upper right corner. Keep moving the cursor after you've run into the touchpad's edge thanks to the convenience of GlideExtend®. Programmable software allows you to go from fast on-screen movements to pixel point control. Quickly activate vertical/horizontal scrolling as well as magnification tools by gliding a finger along the touchpad edges.