grow gm60-s ring indicator light can controlled small round uart interface 1d/2d bar code qr code barcode reader module, Silver

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. 4. compatible with usb and uart interface. 5. over 180 configurable options