Symbol CS1504 keychain barcode scanner overview

Very odd but cool little barcode scanner. If you know any extra info about the CS1504 please leave a comment as the is very little info Here is a link to the OPN-2001 downloads page which contains the SDK which I have tested with Visual Studio 2015 and it worked fine http://old.opticon.com/Software-Opticon--01022310000018.aspx