Constructed for demanding environments. Its equipped with a robust QuietSharp™ fan cooled motor to provide continuous quiet operation and delivers 75% faster sharpening** speeds. Skillfully, the SharpStop™ will automatically shut the sharpener down when sharpening is completed, followed by the SharpGlow™ illumination emitting a white light around the dial to provide a clear visual indicator when sharpening is complete. Built with our XHC²™ dual cutter cartridge technology to provide more precise sharpening and features tool-free removal for quick and simple cleaning or replacement! Its conveniently colored pencil compatible and its 6-size dial accommodates numerous pencil sizes including Tri-Write™?. The high capacity shavings tray features our MagnaSafe™ tamper proof safety switch that shuts down the motor when the tray is removed for added protection. Antimicrobial protected.