easy To Use, The Pencil Sharpener Will Start Working When You Pressing Down The Pencil And Will Stop Working If You Release The Pressure On The Pencil.warm Tips1.you Have To Hold The Pencil Sharpener With One Hand And Your Other Handhold The Pencil When Inserting A Pencil, Don't Need Too Much Pressure, Please Take Out The Pencil In 5 Seconds 2.please Be Sure You Align The Blade With The Bottom Properly Or It Won't Work. the Electric Pencil Sharpener Equipped With Strong Motor Which Can Quickly Sharpen Your Pencil Within 5 Seconds, Suitable For 6-8mm Diameter Pencils. Perfect For For Kids, Students, Teachers, Artists, Engineers, Industrial Designers, Etc. Help You Save Time Better Than Traditional Manual Pencil Sharpener. our Electric Pencil Sharpener Is Safe For Kids Use, The 8mm Diameter Shaving Entrance Can Prevent Fingers From Inserted, Avoid Kid's Fingers Being Hurt. Safe To Use In Classroom. perfect Gifts For Kids, Your Family, Teachers, And Artists. Suitable For Children's Day, Christmas, Birthday, Anniversary For Kids