1. Fast sharpening: This electric pencil sharpener uses a stronger motor to sharpen quickly within 5-10 seconds, and automatically stops working to protect the pencil lead and intelligently handle the broken pencil lead.2. Automatically stop and save pencils: When the pencil is inserted into the shaving inlet, the color pencil sharpener will automatically work and automatically stop when the lid is opened without over-sharpening, saving the pencil lead. The 8mm diameter shaving inlet protects children's fingers from injury.3. Electric pencil sharpener with power cord: This plug-in electric pencil sharpener can be powered by 4 AA batteries4. Durable Pencil Sharpener: A mechanical pencil sharpener with a durable and durable spiral blade that can sharpen your pencils more than 3000 times. It is faster and more durable than regular electric pencil sharpeners.