Do you still use luminous contact lenses to read the invisible ink marked juice dominoes? It is happy to notice that our company can provide belt scanning cameras which can help you to read the marks on the backs of marked dominoes effectively.
Belt scanning camera lens is a good device to read luminous dominoes. The special invisible markings on the backside of marked dominoes cannot be read by people naked eyes, luminous contact lenses or ultra sunglasses that can read certain luminous invisible ink marks . We have hidden a imported HD camera lens into the belt, so it can read the marks on the ties. At last, you can see the spots on the TV or your cell phone. The short camera scanning distance from the belt to the ties is 20-40cm; the long camera scanning distance from the belt to the ties is 1.5m.
With this magic marked dominoes device, you can impressed all the players around you easily.