AMSTON SCALES 400 LB x 0.1 LB 38 x 20 Inch Platform Digital Heavy Duty Welded Steel Floor Bench Shipping Scale Heavy Duty ABS Plastic Platform, Steel Base 40,000 divisions. 2 million internal software resolution. 21 bit AD processor. 38 x 20 Inch Heavy Duty ABS plastic no slip platform, includes removable rubber mat. Hold function. Auto off and backlight (both selectable). A/C adapter (included) or can use 6 AA batteries (not included).