1. Electric sharpener thick and thin pencils specially designed for use in classrooms. The small school and classroom electric pencil sharpener from ARPDJK has been made to meet needs in the classroom. Each electric sharpener is equipped with two interchangeable blades. 2. Automatic safety stop function - When the container is opened during sharpening, both blades stop immediately to protect the fingers. You can let your children use our small sharpener electrically in the school and classroom. 3. Double hole design for pencils between 6 mm and 12 mm - good for normal, coloured and coloured pencils. There are two separate holes for different pen diameters: 6-8 mm and 9-12 mm; we usually use two different sizes in daily life 6-8 mm and 9-12 mm. So we have designed a pencil sharpener that covers all of these sizes. 4.Sliding Switch - Protects children's fingers from injury. The biggest highlight of the ARPDJK electric sharpener is the sliding switch that can lock the larger hole. You do not need to use this function. It prevents your child from putting their finger into the hole. 5. Easy to clean and transport - Removable blades and precise design make it convenient to remove the blades from the sharpener and clean. Simply expand it with paper or a rag, it always stays as new. So that you or your child always own a new sharpener. BATTERY OPERATED - Four AA batteries provide professional energy.without batterySimply take the sharpener and your pens and paint anywhere you want. Fits most pens.