1SC750 CCD is a miniature size and yet longrange CCD bar code scanning reader with high sensitive liner image sensor. 2The module can be easily embeded in Kiosks, medical instruments, diagnostic equipment, etc. 3Main to read 1D bar codes, GS1 databar linear and stacked bar codes. 4Support automatic detection and wake up scanner to read. and decoding distance up to 50cm(20mil/0.5mm at code 39 pcs90%. 5Smart detection, speed up to 500 scans per second. And 4 in 1 combo interface that changes interface by replacing cable. Item Type:Barcode Scanner Light Source: Visible red light 632nm LED Scanning Depth of Field: Up to approx. 50cm / 19.7in at 20mil/0.5mm Resolution: 4mil / 0.1mm Ambient Light: Maximum 100,000 r% Working Voltage: DC + 5V5% Working Current: 150mA Standby Current: 50mA Reading Indicator: Buzzer Scanning Speed: Intelligent detection, up to 500 scans per second Working Temperature: 0~50 (32 to 122) Storage Temperature: -20 to 70 (-4 to 158) Relative Humidity: 20% to 95% (non-condensing) Interface: UART / USB 1 xBarcode Scanner 1 x USB Cable Please make sure the operating voltage is enough and not over the technical specification.Please do not scan the laser to eyes.Please protect the scanner once touching the corrosive, chemical, dangerous, toxic or high voltage material.Please read the configuration guide before using.