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 , .Manual trigger/continuous /auto-sense(for choice),very comfortable operating.Quick Decoding Capability with Fuzzy Information Processing SystemSupport Remote software Ergonomic design offer comfortable operation and enhance the working efficiencyInterface: TTL/RS232/USB/KBW: 650 (visible laser) model: single Bi-directional speed:300 /secColor: blackresolution: 3.3milwidth of : 30mmscanner ,220mm200mmdepth of : 0-250mm(0.33mm.PCS 90%)decode capacity: UPC/,UPC/(include complement code), Code128,UCC/EAN128,Code39,Code 39Full ASCII,Code128Full ASCII,Codabar,Interleaved 2 of 5,Code93,,Code11,,ISSN,china post/code,etcprompt: buzzer indicator model: handheld / auto-sensesize: 156*64*91mmmaterial: ABSPackage Include:1* scanner1* bracket1* USB power cable1* manualOnly the above package content, other are not included.Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.