Imaging Sensor:CMOS Optical Source:620nm Visible red light diode Trigger Mode:Continuous, Auto-induction Indication:Buzzer & LED Resolution Ratio:680x560 Product Specification:EV-ER007 CMOS Barcode Scanner Module Interface:TTL Resolution:4mil Minimum Contrast: equal 30% Decoding Capability: 1D: CODE128 -8 -13 UPC-E UPC-A Interleaved 2 of 5 ITF14 MATRIX 25 Code39 Codabar Code93 UCC/-128 Code11 INDUSTRIAL25 STANDARD25 Plessey etc 2D: PDF417 QR DataMatrix Max.Power:1060mw Working Voltage:3.3V Temperature:Storage:-40-60 Working:-20-50 Relative Humidity:5-95% Weight:3g Drop test:1.5m fall to concrete Colour:As Shown Material:Plastic Size:21x15x11.5 mm Package Contents: 1 * Embedded Barcode Module Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.