Feature: 1. 2000mah Battery: Electric pencil sharpener has a built in 2000mAh lithium battery with fast charging and long battery life, so you don't have to worry about going out without electricity. 2. Easy to Clean: Rechargeable pencil sharpener is easy to clean, hands are not dirty, and a large capacity waste bucket can be emptied by opening the lid. 3. Alloy Holder: Pencil sharpener is made of alloy steel tool holder, with a pencil life of 3000+ times, and one tool holder can last for 300 days. 4. Automatic: Pencil sharpener for sketching adopts automatic design, which can automatically advance and retreat when it is put in and taken out, and is easy to use. 5. Practical Gift: Automatic pencil sharpener can be given as a gift to family and friends who love painting, and they will love it. Specification: Item Type: Electric Pencil Sharpener Material: Plastic,Alloy Product Features: Automatic Pencil Sharpener, Special for Art, Stepless Adjustment of Nib Thickness, Automatic Lead Discharge, Alloy Steel Hob, Large Capacity Lithium Battery, Safety Protection, Multi Purpose for One Machine and Large Capacity Scrap Box. Battery Model: 18650 Type of Battery: Lithium Battery (the Product is Shipped with Built in Battery) Battery Capacity: 2000mah Number of Batteries: 1. Package List: 1 x Electric Pencil Sharpener1 x Charging Line1 x User Manual Note: Shipment with built in battery.