Long Scanning Distance Barcode Marked Cards Lens

How to read barcode cards? You may have heard poker cheating device which has installed into some items like cards key, power bank, lighter and phone. How about the long scanning distance barcode lens? In fact, it has the same work principle as phone poker camera. However, long scanning distance barcode lens with large scanning distance as 1-2m, 2-3m, 3-4m, or 4-5m. What's more, this type barcode lens with a special function that it can zoom in or zoom out the cards when working. That's means you only need a remote control, you can operate it to read cards easily. Usually, the long distance barcode lens will installing bigger subjects, such as wall lamp, wall clock and mural. And These objects have a generality that can accommodate large lenses.