The difference between the red and laser barcode scanner 1) the red light emitted by the scanner is a very thick line (intermediate rough, two small), farther from the scanner to the bar code scanner, the thicker the red light laser bar code scanner How much, scanning success rate is lower, with the red gun scanning bar codes are generally required to sweep from the barcode very close to it. 2) is emitted from the laser scanner is a very thin, very uniform laser line how to use bar code scanner, laser gun reading ability of a lot stronger than the red gun barcode scanner prices, laser guns can be very far away from the bar code is scanned, good performance laser scanner can scan at half a meter or even outside, while the red light is not more than 20 cm far. As long as the current red laser can read bar codes, so now is the laser scanner on the market and red light. NLS-HR32 hand-held bar code scanner that can read all one-dimensional and two-dimensional bar code common. This model supports RS-232 / USB 2.0 and other PC interfaces, durable, has a good price. Ideal for supermarkets, shopping malls, warehouses and other health and environment applications. Features and advantages of the New World HR32 two-dimensional bar code scanner 1) Data Collection: can collect common one-dimensional and two-dimensional bar code 2) compact size, ergonomic design: reduces user fatigue scanner, operating comfort and safety, can be all day use, for high intensity scanning applications. 3) Data interface: Supports RS-232 / USB interface. Scanner scans _ high sensitivity, quality assurance _ how to use the bar code scanner provided by the Guangzhou City State Association Information Technology Limited. "Cash registers, scanners, bar code machines, management software, a small ticket machines, cash registers, shredders" preferred Guangzhou City State Association Information Technology Co., Ltd. (www.gzdb899.com) (www.gzdb899.com), company Located: Tianhe District, Guangzhou City Shipai Road 111 days Sheng Ming Court, 9th Floor, North Tower, over the years, Guangzhou State Association to provide customers with the best quality of service, Contact: Mr. Qiu. Welcome to the new and old customers call, letter, visit the guide, business negotiations. Guangzhou State Association expect to be your long-term partner!