(1)Distance: 2.2-2.7Meters 
(2)Used for scan bar codes of cards,poker backside scan and poker computer scan system 
(3)Avaible pictures: animal,mountain,kictchen,house and etc. 
(4)Can work in bulb light or daylight lamp. Put hidden lens inside of wall picutres,it can scan backsiede bar codes of  marked cards.
The user can see what is the card it is through computer and TV.
Function:
The lens can adjust right,left,up and down. 
Also can adjust Zoom + and Zoom Distance: Maximum 3 Meters.

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