The Iphone 4 not only has a smart design, but it also scans the best. A phone that has a secret camera is almost essential for scanning. These are the distances between the barcode-marked cards and the scanning cameras:

10-20cm, 20-30cm, 25-35cm, 30-40cm

You can contact us if you have any special requirements regarding your iphone 4 scanning camera. We will make them available to you.