Salter brecknell has two models of portable bench scales, one being Model PS 150 and the other being Model PS 400. Model PS150 is a general purpose scale with a capacity of 150 lb. while Model PS400 is also a general purpose scale with a capacity of 400 lb. PS series of bench scale are used for shipping, warehouse and general purpose weighing. The battery and AC adapter enable portability or permanent installation. Batteries not included. A large, simple to read display can be wall or desk mounted for easy visibility and the large keyboard switches even work for gloved hands. The shipping weight is 11 lbs. it has certifications of full FCC compliance, and UL/CUL power adapter. The display of portable bench scale is 1.0" LCD. It has a platform size of 12.2*11.7. It has 0.1 percent accuracy. The display is large and visible. Portable bench scale is constructed in metal.