Barcode/QR Code Scanning Module:Supports 3 types of QR codes and 14 types of 1D codes, UART/USB interface, plug-and-play operation 640x480 CMOS scanning engine USB/UART dual-mode switching Multiple trigger modes + LED illumination IO expansion chip: PI4I0E5V640812C 0x43 (default)/0x44 Sensor: 640x480 CMOS Illumination: White LED Focus: Red LED QR Code Reading Types: PDF417, QR Code, Data Matrix 1D Code Reading Types: Code 11, Code 39, Code 93, Code 128, -13, -8, UPC-A, UPC-E, Codabar, Interleaved 2 of 5, Matrix 2 of 5, Industrial 2 of 5, , GSl Databar Reading Depth of Field: 50-160 mm Reading Accuracy: 5 Print Contrast: 20% Scanning Angle: Pitch 55, Tilt 55 Communication Interface: USB or UART communication. The USB interface can be connected to a computer via the Grove to USB-C accessory. Expansion Interface: Three Grove ports: PORT.A, PORT.B, and PORT.C DC Power Input: Input Voltage: DC9-24V, Dimensions: 5.5 x 2.1mm, Polarity: Positive inside, negative outside Operating Current (with Core2 Host): DC5V Module: 5.04V 74.42mA (Off), 5.09V 255.84mA (On) DC9V Module: 9.09V 98.93mA (Off), 9.10V 153.44mA (On) DC12V Module: 10.49V 79.96mA (Off), 10.38V 124.54mA (On) Color: Black Material: plastic Package Contents: 1 x QR Code Scanner 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.