Q1:Does it work with ruby pos/Chrome OS?
A1:If your POS system supports USB-KBW or USB-COM, it can be compatible with this scanner.
Q2:Does it require batteries to work?
A2:This barcode scanner does not need to install a battery, you can use it directly by plugging its USB cable into the computer's USB port.
Q3:How does this scanner communicate with computer software? is there any api documentation available?
A3:Directly plug the USB cable into the computer to use.
Q4:Does it come with the configuration sheet to add or remove check digit for barcode type A and E?
A4:Please contact firstname.lastname@example.org for the setting code.