Many many things about receipt scanner
Optical character recognition technology enables the portable scanner to extract images and text from a business card and sort the information into the appropriate template in your contacts database. You simply feed the card into the portable scanner, which reads and stores the information into your laptop computer with your other digital contacts via USB cable. There is no need for an external power source or additional software. Scanning new contacts into your laptop with a portable scanner is so much easier when you are on a sales trip or attending a trade show. Portable scanners are ideal for compiling and maintaining leads from all the business cards that trade show exhibitors collect during the course of their business.