uv invisible ink contact lenses How to order:Please contact 0086 135 2762 2324 A regular deck that has

A regular deck that has been marked on the back in a way that reveals the value and suit on the card's face

Model CVK poker analyzer Scanning distance  20-40 cm Built-in camera one/two cameras Earpiece one pair No

like changing patterns on the back of marking poker

The processed side can up to three faces

6 will be face up

uv invisible ink contact lenses How to order:Please contact 0086 135 2762 2324 A regular deck that hasModel UV contact lenses Pupil diameter 4 mm, 6 mm, 9 mm, 12 mm Water content 50% Validity period About 1 year Central thickness 0. 06 0. 10mm Applicable people all of the users UV marks are fluorescent but transparent, the marks can be seen only under an ultraviolet light. If there has a deck of cards with UV marks on the back, how can we see the invisible UV marks? Thanks to the modern technology, with the help of theUV invisible ink contact lenses,