I am a new seller in this store, so don't worry that there are only one review:) 

These scanning modules have been tested for performance. All of them correspond to the characteristics specified by the manufacturer.

The Zebra SE4750 represents a new generation of imaging that delivers unmatched performance with almost any type of data imaginable, from 1D and 2D barcodes to photos and legal documents, letter, A4 and A5 formats with full search and editing capabilities. Zebra proprietary PRZM (pronounced prism) Intelligent Imaging technology, a megapixel sensor and advanced optics work together to make the SE4750 a class of its own.

Dimensions:

11.8mm (H) x 21.5mm (W) x 16.3mm (D)

Interface:

21-pin ZIF connector

Decoding options:

One-dimensional and two-dimensional barcodes 

Weight:

82 grams

Scanning technology:

Matrix photo scanner