How to use:1. Make sure the box which accomodate attle is cleaned before using2. Put pencil into the hole on the top of the sharpener and press it then the sharpener will start to workThis sharpener can be applied to sharp pencil but not suitable for crayon、 chalk or waxy pencilClean up the box which accomodate attle at regular intervalsUser can clean the blade with dry cloth when the blade is stuffed.Don't clean the blade with lubricantThe sharpener work with 2 AA batteriesNote: No putting the sharpenr in waterSpecification:Weight: 115gColor: send by randomSize: 8.2(L)x3.8(W)x7.8(H)cmPackage Contents:1xPencil Sharpener(Batteries are not included) Features:Perfect gift for children and enhance their passion for studyPerfect for home、 school and office