Lamp camera lens to see back marked cards

Camera intalled in Fluorescent lamp, it can read the back marked cards well.  Instead of contact lenses, you can see the marks on TV or on your phone. The marks on the cards can not be seen by contact lenses. 

The sender of the camera, can be wireless, or WIFI or IP and 3G/4G. You can choose one best for you to use. Wireless, the distance short, about 100 meters. And WIFI or IP, 3G or 4G can be all over the world. 

It is in the lamp. So very secret. No body will fine where is the camera, no LED in the lamp, even use phone camera can not scan it. So it is very safe for gamblers to use this.