Instruction: This is our new table cameras, we insert two cameras in the sides of the table to scan the marked cards for poker analyzer, while these two cameras can not be turned on at the same time, but you can use the remote control to open the cameras, for example, when marked cards are put on left side, you can turn the left camera on and scan the marked cards, while when the marked cards put on the right side, you press the remote control to turn the right side camera on to scan the marked cards. Descption: (1)this table is with two cameras for 2 sides, if you want, we also can insert 4 cameras in the 4 sides of table; (2) more cameras will ensure that it is more convenient for you to control your poker table, and no matter who is dealer, you also are winner; Dstance :40-50cm; Estimate working hours: About 3 hours