Mindware HGS 2890 Barcode Scanner Corded Scan System  Laser Scan Rate 300 Scans per second/ frames per second Scans per second/ frames per second Print Contrast Ratio - 20 % Minimum Depth of field - 5mm mm mm Other Specifications Form FactorHand Held TypeCorded Scan SystemLaser Scan Rate300 Scans per second/ frames per second Scans per second/ frames per second Communication InterfaceKeyboard Wedge(PS/2) Print Contrast Ratio20 % Resolution4 mil mil Bar Code Density2 mil mil mil Minimum Depth Of Field5mm mm mm Maximum Depth Of Field630 MM mm mm Ambient Light Immunity022lux Lux Lux Light Source650nm laser diode nm nm Compatible Bar Code Symbologies: (UPC-A/UPC-E, EAN 13, JAN-13, CODABAR, ADD-ON-2, Code-93, Industrial Codes, Interleaved 2 Or 5, EAN 128 Etc.)Yes Compatible Bar Code Symbologies : ( Micro PDF, PDf-417, Data Matrix, QR Code/UCC, EAN Composites, Aztec Etc.)Yes Radio Interface Cradle Host Radio Communication Frequency3mhz MHz MHz Working Range1 meter meters Power Supply/Batterypower supply Housing Material Of ScannerReinforced Plastic Drop Resistance5 ft Minimum Operating Temperature0 to 50 C Degree C Degree C Operating Humidity (RH)5 to 90 % IP Ratingusb BIS Registration No.YES Safety CertificationsYES Overall Dimensions (LxWxH)7X6X16X120 mm xmm xmm mm x mm x mm Net Weight250 GMS kg Kg Warranty1 Year Availability Of Test Reports From Central Govt/NABL/ILAC Accredited Lab Showing Conformity To The Specifications yes Test Report No.yes Test Report Dateyes Name Of Test La byes Address Of The Test La byes.We are manufacture of barcode scanner.