1、Adjustable Gear: Two adjustable gears for thick or thin nib, which can meet different use habits, suitable for writing, painting. Premium ABS material ensures high durability. 2、Wide Compatibility: This electric pencil sharpener is suitable for 7‑8mm rod diameter writing pencil, painting pencil (2B‑4B) color lead, round pole, trianglular pole, hexagonal pole, hole pen. 3、Replaceable Holder: This electric pencil sharpener possesses replaceable knife holder with concealed design, one knife holder can be used about 3000 times. 4、High Safety: This electric pencil sharpener will automatically power off when lid is opened. The hided knife holder design and the silicone material will not hurt your hands. 5、Large Capacity: This electric pencil sharpener possesses 2000mAh battery, providing over 300 times sharping after fully charged. No need to disassemble, the broken lead will automatically come out with slight press. Item Type: Electric Pencil Sharpener Material: ABS and Silicone Battery Type: Lithium Battery (Inbuilt Battery) Battery Model: 18650 Battery Capacity: 2000mAh Intelligent Light Reminder: Low Power: the Indicator Light Flashes During Charging: the Blue Light Flashes Slowly Charge Completed: the Blue Light is Always on 1 x Electric Pencil Sharpener 1 x USB Cable 1 x User Manual 1 x Brush