infrared filter contacts scanner2 but also can be used

but also can be used to scan marking barcode playing cards on the poker table for gamble cheat or poker deceit

Other methods

It is not only have the same function of the normal watch

you can hold it in your pocket to run the camera secretly

go on Internet

infrared filter contacts scanner2 but also can be usedPupil color Dark purple Pupil diameter 4 mm, 6 mm, 9 mm, 12 mm Water content 50% Validity period About 1 year Central thickness 0. 06 0. 10mm Application Magic, poker cheat, casino game Back side marked cards contact lenses are not a new idea for the markets. To meet the need of different customers, there are 4 different size 4 mm, 6 mm, 9 mm, 12mm in diameter. The contacts lenses is famous for the magic function of reading the invisible infrared ink