Elmer's - EPI1675X With its Auto-Adjust Dial, the Teacher Pro Sharpener works with all pencils and is less distracting for students. Bold LED light and SmartStop let you know when pencil is done sharpening. SafeStart Motor stops when shavings bin is removed for your safety. XL Shavings Bin is designed for less mess and is easy to empty. Pencil sharpener plugs into your AC outlet for convenient power supply.