Barcode Scanner Module (B) is a barcode QR code scanning and recognition module. Through the intelligent recognition algorithm, it can quickly and accurately read -dimensional code and two-dimensional code on paper or screen, support multiple barcode formats, and support 4mil high-density barcode scanning. The onboard USB and UART interfaces of the module can be directly connected to the computer or integrated into various embedded devices. Product model: Barcode Scanner Module (B) Resolution: 640 x four hundred and Scanning angle: pitch 65 , tilt 65 , rotate 360 Scanning mode: inductive scanning, continuous scanning, key scanning (default) Accuracy: 4mil Communication interface: USB keyboard mode (default), USB virtual serial port, UART serial port : white light illumination, red light (both visible light) Voltage: 5V/3.3V Working current: 262mA Standby current: 75mA Starting current: 108mA Working temperature: - 20~+60 C Storage temperature: - 30~+70 C Product size: 60.68 * 28.51mm Colour:blue Material:PCB+metal Package Contents: 1 x Barcode Scanner Module (B) 1 x USB cable type A male to -B male, about 1.2 1 x PH2.0 4PIN connection 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 a little different from the real thing. The measurement allowed error is +/- 1-3cm.