Feature: 1. Safe Automatic Shutdown: The electric pencil sharpener's pen dust container has a safety device, which can be automatically shut down when it is removed 2. Built in Alloy Steel Blade: The pencil sharpener has a built in spiral alloy steel blade, which is efficient and durable. The sharpening time only takes 2 to 4 seconds, and the life span is more than 5,000 times 3. Stainless Steel Material: The pencil sharpeners are available in plastic and stainless steel, which is wear resistant and durable, with a long service life 4. Battery Powered: The pencil sharpeners are powered by 4 AA batteries (shipped without batteries), suitable for ages 8‑50, with a upper spiral circle structure 5. Compact and Small: The automatic pencil sharpener has a delicate and compact shape, with a comfortable texture, and is more stable with a non slip base for sharpening Specification: Item Type: Electric Pencil Sharpener Product Material: Plastic, Stainless Steel Power Supply Mode: Battery Powered Use Battery: 4 x AA Batteries (delivered without battery) Applicable Age: 8-50 Years Old Product Structure: Upper Spiral Circle. Package List: 1 x Electric Pencil Sharpener1 x User Manual Note: This Product Does Not Come with Batteries, You Need to Install 4 New AA Alkaline Batteries. You Cannot Install Carbon Based Low Battery Batteries. Low Battery Batteries Cannot Be Turned Weak. 4 Pieces Are All New. Do Not Mix Used Batteries