Counting Scale. Up to 99 unit weight ID memory function for easy data retrieval. Exclusive Automatic Count Accuracy Improvement automatically corrects errors caused by variation in unit weights. The Audible Weighing Assist function alerts you when approaching the target quantity. Unique accumulation function allows for storing total piece count in memory and works in automatic or manual mode.Large detachable 3 window LCD display/keyboard. Display update ~10 times per second. AC Adaptor (included) or optional battery powered.