Ariic&reg; Long Laser USB Port CCD Handheld Barcode Scanner Bar Code White Reader for POS B 0.1mm (4mil) PCS0.9 Depth of Field: 29c SKU:CPC1614 Brand New & High Quality Interfaces: USB 2.0 Voltage: DC 5V5% Laser module: wavelength: 650nm(class II); output power: &lt;1mW Resolutionm(0.1mm bar width); 350cm(0.3mm bar width) Scan Speed: 100 Times/s Scan Delay: 2 s /Times Reading Distance: 10-600mm Scanning Angle: Inclination angle 45, Elevation angle 60 Transfer Rate: RS232 baudrate2400-38400 Print Contrast: 30% minimum reflective difference Visual Indicators: LED, Buzzer Operating Temperature: -10C to 50C Storage Temperature: -20C to 60C Humidity: 0 to 95% Cable Length: about 2m