GM861 barcode reading module, adhering to the excellent scanning engine of GM80X series, can not only easily read all kinds of one-dimensional barcodes, but also can read two-dimensional barcodes at high speed, and has a very high scanning rate for linear barcodes. The barcode on the screen can also be easily scanned; GM861 barcode reading module is based on the intelligent image recognition algorithm and developed an advanced barcode decoding algorithm, which can read barcode symbols very easily and accurately, which greatly simplifies the development of barcode reading products. The GM861 model is based on the GM861S with a stainless steel threaded , which is easy to install. The diameter of the installation opening is 25mm. Color: silver material: metal Package Contents: 1 x Barcode Reader Module Only the above package content, other products are not included. Note: Light 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.