Ywehome via Amazon offers the Boocosa Electric Pencil Sharpener in Black for $22.99. Coupon code "QE4S7WBI" cuts the price to $16.99. With free shipping for Prime members, that's the lowest price we could find by $11. It features a steel blade cutter, automatic shut-off, and a dual power supply (via an included AC adapter or batteries, which are sold separately). Deal ends January 31.