Optima Scale s premium line of OPF-P counting scales features 21 memory keys for storing sample weights with 30 000 external displayed resolution and 600 000 internal resolution. It s simple and easy to operate with high performance counting functions eliminating errors and unnecessary repetition during large volume counting jobs. Vibrating Technology provides the highest level of counting accuracy. PLU for storing sample weights so they can be easily retrieved. 30 000 displayed resolutions. 3 displays (Weight Unit Weight Count). Truly portable with both AC adapter and rechargeable battery that lasts 100 hrs. High visibility back-lit liquid crystal display (LCD). Durable ABS housing and large anti-static stainless steel pan. Warning for insufficient unit piece weight and sample size. Multiple weighing units: g kg lb oz. Capacity - 6kg x 0.2G. Dimension - 14 x 14 x 6 in. Item Weight - 10 lbs. - SKU: OPTS144