The portable automated battery-operated electric pencil sharpener has two independent, different-sized insert holes (6-8 mm and 9-12 mm), making sharpening simpler. Your job productivity will increase and it offers a simple answer for contemporary school and professional tasks. For safe operation, the bottom has anti-slip mats. utilizes four AA batteries (not included). Ideal for instructors, researchers, and students, the design is straightforward and compact.