Ipoint Evolution Titanium Bonded Pencil Sharpener, Assorted Colors Battery Operated.Titanium bonded blades: Using the patented Westcott Titanium bonding process, the blades deliver excellent cutting performance and unparalled longevity before needing replacement Auto sensor shut off: Once the pencil is at the perfect point, the iPoint cuts off power, making sure you get the best result every time Unique design: The iPoint makes an iconic design statement about you and brings a sense of style to your office desk Space saving: With desk space at a premium, the iPoint has a smaller base than any electric sharpener in its class EZ View savings reservoir: Unlike most normal pencil sharpeners, the iPoint allows you to see when you need to empty the shavings reservoir, making sure you get great performance every time