There must be lots of poker players and magician are looking for the good poker device. Wall spy camera attract most of players and magician. Why they like this item so much? Because this wall spy camera can be hidden at the wall pictures or other items that is hardly to find it. No matter for the long scanning distance or for the short scanning distance, to make sure the accuracy of the final results, the scanning lens is need to face the edge code marks on the playing cards. As for the battery of this wall spy poker camera, you can replace its battery when it is run out of power. Why not take one for yourself right now? Just contact us and take it !