see this guy
Seen him while going over unverified and remembered someone in front of unverified was looking for service though he has some negative rep. Judge yourself
http://carder.market/showthread.php?t=40785
UPDATE-- NEW Model Available -- FROM "FLASH" TO AUDIO AND SLIM -- "Lets get the music started"
CONTACT ME FOR PRICE AND QUESTIONS -- Serious inquiries only
http://www.sendspace.com/file/u6lgte
Password - diebold
cheers
Most offline POS should and most do have "connection error" option message after customer enters pin. Like this customer is forced to pay cash. Customer will not even suspect about your store when their money is wiped.