Scanning distance of barcode poker scanner

Why the scanning distance of power bank scanner farther than car key scanner?

Scanning distance of barcode marked cards scanner depends on the cover it hide, in other words, it depends on the size of the scanning camera. For example, the size of power bank is bigger than car key; there is much space to install a big barcode cards scanner lens.

Barcode marking cards camera is not like infrared poker camera which can adjust its focal length. So, when the scanning distance is farther, the scanning distance in width will get narrow.

The next time you buy poker cards scanner, please tell us the scanning distance you want. We can recommend you the cover to install the scanner lens.