ADULT & KID-FRIENDLY: Electric sharpener won’t operate if the cover is removed or is not installed correctly, which means that it won't hurt your kid's finger when he or she is using it in classroom.MULTIPLE POWERED PENCIL SHARPENER: It can be battery operated (4 x AA Batteries not included), or USB outlet, so it is highly portable. Longer lifespan, the cutters inside are replaceable. The electronic sharpener can be powered either a standard USB outlet or 4 AA batteries so there is no need to worry about running out of power.EASY TO CLEAN by simply removing the cover and dusting away the shavings. Package includes: 1 x electric pencil sharpener, 4 x cutters, 1 x using guide and 1 x USB cable (Batteries not included).DUAL HOLES FOR YOUR CHOI.