IR3 marked cards are the most advanced marked cards developed by Golden Sunshine.
1. Convenient and smart.
2. The "distance" here means the distance between the camera and the processed cards.
3.The distance of cuff-button scanning camera can reach can be 10-20(cm), 20-30(cm), 30-40(cm) and 40-50(cm), 50-60(cm), 60-70(cm), 70-80(cm). Please confirm the distance you need before your order.