Ultra-quiet with a break-resistant sharpening action, Quiet Pro® electric sharpeners ensure less breakage with minimal noise for frustration- and distraction-free operation. SmartStop prevents over-sharpening by automatically shutting off the motor when the pencil reaches ideal sharpness; and just to make sure, a bold LED lets you know when your pencil is ready to write. An auto-adjust dial seamlessly accommodates nearly any pencil size, while a slip-resistant bottom keeps the sharpener steady. SafeStart® electric motor locks the blades in place when the extra-large, easy-to-empty shavings bin is removed. Compatible with colored pencils. Stay sharp with X-ACTO®! Sharpener Type: Electric; Power Type: AC; Cord Length: 5 ft; Intended-Use Environment: Office; School.