This is a flexible button camera, you can tie it on your body and put the T-shirt to cover it, then move the camera to focus on the edge of marked cards, then wihin 0.3 seconds, the poker analyzer will report who is the winner of the poker game.
We don't need to buy the T-shirt firstly,and put the camera inside of the T-shirt.Now we send the naked camera to you and you could hidden it in your T-shirt,it will be more simple and easy.
Distance:From 6 to 12 cm
Estimate working hours: About 2-3 hours
Specification:1 pcs button camera, 1 pac batteries