Feature: 1. Easy for cleaning without dirty hands, large-capacity waste bucket can be empty after opening the lid 2. Put and take, automatic advance and retreat for automatic sharpening. No waste, even short pens can be sharpened 3. Large capacity lithium battery come with fast charging and long battery life 4. High-hardness zinc alloy tool holder with steel blade, replaceable knife holder extending service life 5. Two levels of pen nibs can be adjusted, pointed and flat, to meet daily writing and drawing needs 6. Hand does not stick to lead, easy to sharpen the pen and more assured, you can use with confidence 7. Automatic lead-discharging hole designs does not need to be disassembled, and broken lead is easily discharged Specification: Item Type: Electric Pencil Sharpener Material: ABS shell + zinc alloy tool holder + steel blade Function: Automatic pencil sharpener, convenient and practical Size: Approx. 17.4 x 8 x 9cm / 6.9 x 3.1 x 3.5in(manual measurement for reference) Battery Type: Lithium battery Battery Model: 18650 Battery Capacity: 2000mAh. Package List: 1 x Sharpener1 x USB Cable1 x User Manual Note: The pencil holder within 7‑8mm can be cut.