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Marking Cards Invisible Ink

Home >>  One to One Contact Lenses

One to One Contact Lenses

One to One Contact Lenses, Scanning Camera, Marked Cards
  • One to One Contact Lenses, Scanning Camera, Marked Cards

Some customers said that normal marked cards are not safe enough in their countries, because many people are familiar with marked playing cards and know how to detect it. What is more, some poker clubs just prepare IR/UV contact lenses or for customers to check if there is marked cards available. To solve this situation, and now we developed a new kind of poker contact lenses to see unique invisible ink marked cards. The marks can not be detected by any UV or IR contact lenses, UV lights or any detected equipments.
According to Spectral theory, Visible light spectrum is from 0 .39~0.76μm. Different waves will make people sense different color due to the different electromagnetic. Under wave from770-622nm people can see red light, 622-597nm, orange; 597-577nm, yellow; 577-492nm, green; 499-455nm, Indigo color; 455-390nm, purple.
With these special poker cheating contact lenses, you can see the unique marks under any lights. Even some poker players with UV or IR contact lenses, they can see nothing on the back of the cards.
According to the theory that IR and UV light that can be sensed much easier than other wave visible lights. The marks for special contact lenses are not as strong as IR or UV marks which can be seen after you wear the contact lenses.
The quality is gorgeous for its high technology applied and complicated marking process,

 


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Name: Adam IP: 148.75.180.139 Time: 2018-06-03 13:11:41
Content: Hello , I am looking for a pair of  Tapper mercury dice. I collect dice amd would like a set for my collection. there currently seems to be no such dice on the market currently , but I do know they exist. Can you / do you create such dice ? I am looking forward to your response.
Admin_reply: Thanks for your inquiry about mercury dices, I have sent you email, please check and reply, thanks
Name: Mark Charles IP: 207.161.51.20 Time: 2018-05-19 05:49:57
Content: Hi, I am looking for 3 pair of glasses and a pen/marker/ink that can be used to mark playing cards for an escape room puzzle. Glasses must be durable as they will be handled by hundreds of people. Shipping to Winnipeg, Canada
Admin_reply: Thanks for your inquiry about glasses, a pen/marker/ink for marking playing cards, I have sent you email, please check and reply, thanks
Name: Prakash IP: 192.119.160.242 Time: 2018-02-07 23:40:04
Content: I want uv contact lens but I want to know that how it works?
Admin_reply: Thanks for your inquiry about UV contact lenses, I have sent you email, please check and reply, thanks

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