RFID or radio frequency identification technology works better compared to bar code methods. The drawback of barcode system is that the product with barcode should be kept in direct contact with the reader or scanner. In RFID technology, this problem is overcome by the RFID tags. Tags contain vital information about the individual, product, animal etc.
Without direct contact, RFID readers can access the information in the tag and process them for technology. You may search for the RFID chip timing Bellevue Washington on any renowned search engines to get useful information on this regard.