USB interface, simple installation.You can setting your scanner from the PC keyboard or scanning.Reading or Not-Reading indicate by LED light and buzzer.Upto IP54 industrial level ,waterproof , dustproof .Manual trigger/continuous scan/auto-sense(for choice),very comfortable operating.Quick Decoding Capability with duzzy Fuzzy Information Processing SystemSupport Remote software updateErgonomic design offer comfortable operation and enhance the working efficiencyInterface: TTL/RS232/USB/KBWLight source: 650 (visible laser)scan model: single line Bi-directionalscan speed:300 line/secColor: blackresolution: 3.3milwidth of scan: 30mmscanner window,220mm200mmdepth of scan: 0-250mm(0.33mm.PCS 90%)decode capacity: UPC/EAN,UPC/EAN(include complement code), Code128,UCC/EAN128,Code39,Code 39Full ASCII,Code128Full ASCII,Codabar,Interleaved 2 of 5,Code93,,Code11,ISBN,ISSN,china post/code,etcprompt: buzzer indicatorscan model: handheld / auto-sensesize: 156*64*91mmmaterial: ABSPackage Include:1* scanner1* bracket1* USB power cable1* manualOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.