Wall picture camera with inside infrared camera lens
Back ultraviolet marked cards and infrared marked cards are used in poker cheating frequently, which are convenient and safe for poker players.
Infrared invisible ink back marked cards for infrared spy camera will be shown the suits and numbers of playing cards, reading by wall picture spy camera. Wall picture spy camera was fixed on the wall which is difficult for others to detect. Wall picture was placed a mini infrared camera lens inside which can scan the infrared invisible ink back marked cards, showing the result on the screen on the backstage. Then your partner will tell you the result by talkie. And you receive it from mini earphone.
All this process are secret and safe. You will be the best winner in the poker games without arising any suspicion.