TENWIN Electrical Pencil Sharpener Student Stationery Semi-Automatic Sharpeners Battery Model(Pink)1. Material: plastic + steel 2. Power supply: 2 AA batteries (not included) 3. Two modes: automatic mode and manual mode, automatic mode powered by 2 AA batteries (not included), insert the pencil, the pencil sharpener will automatically start sharpening, if the battery is low, we can switch to manual mode, easy to sharpen pencils 4. Durable, steel pencil sharpening blade, fast pencil sharpening, easy to operate, insert the pencil into the battery