A unique design that delivers a unique performance. Featuring a proprietary 2-blade technology, the iPoint Ball sharpens pencils two times faster than other sharpeners in its class. Features Sharp Sense technology that allows you to feel when the pencil is at the optimal point. Safety cut-off when the shavings reservoir is removed. Powered by four AA batteries (sold separately). Sharpener Type: Electric; Power Type: Battery; Batteries Required: 4 AA (Sold Separately); Intended-Use Environment: Home; Office.