GM812 Series 1D/2D QR Barcode Scanner Reader DC5V USB/UART Interface for Windows PDF417 Qr Bar Code Module A

material: metal Color as shown Package Contents: 1 pcs Barcode Scanner Reader 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.