angel usa extra large platform 22 inches x 18 inches stainless steel 400 pounds heavy duty digital postal shipping scale, powered by batteries or ac adapter, for floor bench office weight weighing angel this is a high end industrial scale with extra large 22" x 18" stainless steel platform. it uses 4 high quality load cells, 1 in each corner, for great accuracy. cheaper scales use only 3 or even 1 load cell. includes a wired remote display for easy reading. software allows you to calibrate your scale with any known weight in lb or kg the stainless steel platform is designed especially for weighing large and heavy objects. the perfect digital shipping scale for postal, packaging, shipping, manufacturing or industrial requirements. <br><br> - capacity 400 lb x resolution: 0.1 lb / 0.05kg<br> - scale dimensions 22" x 18" x 1.5" (without feet height it 1") <br> - sensitive 4 load cells for accurate weighing<br><br><b>please note the power adapter of this scale is embedded in the white styrofoam of the package, do remember to remove the power adapter before throwing away the package styrofoams.