Portable cash counter counts 600 bills per minute & can hold up to 100 bills. Auto start / stop function automatically begins counting when bills are inserted & stops when counting is finished. Counter can be set to count batches from $1 to $999. Note size capacity is from .0023" to .0047" thick, from 1.9" to 3" wide & from 3.9" to 6" long. Design features an easy-to-read three-digit LED screen & folds closed for easy storage. Use the included carrying case for easy transport. Battery operated cash counter includes AC adapter.