Superior Electric Pencil Sharpener: Featuring a powerful motor and spiral blade, this sharpener quickly sharpens new pencils in 5 seconds and restores dull ones in 3 seconds, offering a faster alternative to manual sharpening. Broad Compatibility: Designed to fit standard and large pencils with diameters from 7 to 8mm (2B-4B), including colored pencils. Compatible with round, triangular, and hexagonal pencil shapes. Precise Sharpness Control: Equipped with auto-stop and auto-eject technology that halts sharpening when the ideal point is reached, helping prevent over-sharpening and pencil waste. Durable Helical Blade & High-Capacity Battery: Built with a long-lasting alloy steel helical blade rated for over 6000 uses. Includes a built-in 2000mAh lithium-ion battery for extended cordless operation. Adjustable Sharpness Settings & Large Waste Bin: Offers three sharpness levels (fine, medium, coarse) to suit personal preference and reduce lead breakage. Includes a spacious shavings container for less frequent cleaning.