Module scanner Model no: cm-006a Scanning speed: 250scans/sec x 2 cycles Read barcode: ean-8 ean-13 upc-aupc-e ean/upc add-on code 39 code-32 ucc/ean/code-128 industrial-25interleaved-25 martix-25 china post25 codabar/nw7 code 11 msi/plessey;scodeiata uk/plessey telepen Resolution: 0.127mm(5mil) Read digits: 56digits (max.) Pcs :0.45 up Depth of field: 40-140mm(16mil) Ccd:linear ccd image sensor Light source: 630nm red led lamp Read indicator :red led andadjustable volume buzzer Interface: kb wedge usb rs-232c ttl level rs232 output Cable:straight Voltage:dc 5v Power range: 4.75~5.25v Power consumption: working:75-80ma standby:0.001ma Weight:60g ( without cable ) Size:60mmx60mmx23mm