1. USB wired barcode scanner to capture 1D, 2D code on labels, paper, mobile phone or computer. 2. High-efficiency recognization and high upload speed for improving your working efficiency. 3. With buzzer for reminding you that the scanning successfully or not.Compatible with USB and UART interface. 4. Over 180 configurable .Macro support replace a string in the bar code with another 5. Programmable preamble postamble and termination strings.Superior reading performance utilizing advanced decoding algorithms Scan Mode: 1280x800 CMOS Lighting: White LED Collimate: Red LED Read Code Type: 2D: QR Code, Data , PDF417, , Mini QR, Mini PDF417, Maxicode, Code 1D: , UPC, Code 39, Code 93, Code 128, UCC/ 128, Codabar, Interleaved 2 of 5, ITF-6, ITF-14, , ISSN, -Plessey GS1 Databar , Code 11, Industrial 25, GS1 Composite Standard 25, Plessey, 2 of 5 Accuracy of reading: 1D≥4mil , 2D≥7.54mil Operating Temperature: -20℃~+50℃ Storage Temperature: -40℃~+70℃ Operating Humidity: 5%~95%(Non-Condensing) Environmental Light: 0~100000LUX Interface: TTL-232, USB (HID-KBW, Virtual serial port) Operating Voltage: DC 5 V Operating Current: 180mA Standby Current: USB: 25mA; TTL: 10mA Contrast: ≥25% Scanning angle: Intersection angle 360°, Elevation ±55° Deflection angle ±55° Viewing Angle: H: 52°, V: 38° Material: Metal+Plastic colour: Black Package Contents: 1 x Bar Code Readable 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.