Internal Counting Resolution of 500,000, Versatile Full Function Keyboard Allows for Entry of Average Piece Weight, Tare Weight, ID, Weight/Count Accumulation, Units and Sample Size. Selectable Units include: Grams, Ounces, Pounds, Troy Ounces, Pennyweights, Carats and User Defined. Scale Can Control a Second Scale Base with the Optional Remote Scale Card. (See Options And Accessories).