Button Hidden Camera To Scan Bar Codes Playing Poker Work With Poker Analyzer

Instruction:

This is a real button which can provide you to be used on your shirt or Jacket or coat, this is a common
object, while more common objects, it is hard to discover or realize them, they will be more convenient to be used, as it
is a button with double camera on the chest to scan marked cards for poker analyzers.

why it called auto sensor camera? Because this button camera will focus the image of markings
of cards automatically, and tell you the result in 0.1s.

As for the distance, this auto button camera has 3 kinds of different distance:6-12cm,24-40cm.
6-12cm is suitable for scanning the cards on the hands which is good for dealer; while 24-40cm is suitable for the cards put on the table which is good for players.

Application: