Features: 1) Global scan.Multi-code reading, 6 codes can be read at the same time 2) Small appearance and easy development 3) Dual lights can be set freely 4) Rich interfaces, supporting USB and UART 5) It can read many code systems, and can read and Hansein code. Specification: Pixel: 640x480 Voltage: 5V Interface specifications: MX1.25xPin Support USB, UART(TTL-232) Reading code system: 2D: QR Code, Mini QR, Data , PDF417, Mrico PDF417, 1D: , , 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, Standard 25, Plessey 2 of 5 size: 37 x 27 x 11mm Material: plastic colour: White+black Package Contents: 1 x Barcode Reader Module 1 x cable 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.