new united states postal scales ps2000 20-lb capacity precision load postal counting scale
20-lb weight capacity precision load cell for accurate weighing weight displays in 11 different weighing units counting function for accurate item counts amp display hold function negative weight tare function sets negative weight to 0 without add-on accuracy 0.01 of reading or 1 digit calibration 5 points of advance automatic calibration for greater accuracy 1 point of user calibration warm-up time 2 sec or less extra-large display 2 lines with 16 characters dot-matrix liquid crystal display with clear protective plastic bezel powered by included ac adapter or six 1.5 v aa batteries not included