ZL2200 Light Source : Visible Laser Diode 650nm Scan Pattern :Single Line Scan Speed : 100 scan lines Print Contrast : 20% minimum reflection difference Decode : All 1D barcode Performance Light Source: Visible Laser Diode, 650 nm ± 10 nm Visual Indicators: Red= laser shines, ready to scan; Green= successfully decoding System Interface: USB, Scan Pattern: single line Scan Speed: 100 scan lines per second Scan Angle: horizontal 55°