Light source 650 (visible laser) Scan model Single line bi-directional Scan speed 200 line/sec de), code128, Ucc/ean128, code39, code 39full ascii, code128full Ascii, codabar, interleaved 2 of 5, code93, msi, code11, Isbn, issn, china post code, etc Interface Rs232, ps2, usb Print contrast 20% minimum Bit error rate 1/5 million Prompt Buzzer indicator Scan model Handheld / auto-sense Physical parameter Size L¡¨¢w¡¨¢h:165mm¡¨¢63mm¡¨¢87mm Weight 0.3kg(yhd-1100), 0.46kg(yhd-1100g) Material Abs+pc Cable standard Straight:2.0m Electrical parameter Voltage 5v Working current 85ma Standby current 36ma Laser security Accord with national level2 laser security standards Emc Ce & fcc doc compliance Environment parameter Working temperature 0¡æ-45¡æ Storage temperature -20¡æ-60¡æ Humidity Relative humidity 5%-95% (non-condensing) Environment luminance Max.5, 000 lux ( flsorescence) Anti-knock 1.5m fall to cement Yhd - 8100 standard list: code bar scanner * 1, cable (the standard usb) * 1, manual*1, leather box * 1 .