IR3 marked cards are the most advanced marked cards developed by Golden Sunshine.
1. According to various kind of lighters, distance of the camera can reach is multiple.
2. Generally, the dealers prefer short distance camera while the players like the long one.
3. The distance can be 10-20(cm), 20-30(cm), 30-40(cm) and 40-50(cm). However, if you can find space large enough, the distance of a lighter even can reach 60cm.