From the appearance, we can see that the size of the smart picture frame screen in the art exhibition hall is similar to that of the advertising machine. There are two completely different commercial display products, which are very different in practical applications and functions.

The touch all-in-one machine is a combination of advanced touch screen, industrial control, computer and other technologies, which can realize public information inquiry. It is equipped with peripherals such as fingerprint reader, scanner, card reader, micro printer, etc., and can realize fingerprint attendance, card swiping, printing, etc.

Now, most of the advertising machines we usually see are single-screen. However, there are also dual-screen advertising machines on the market, that is, the two screens are set on the same plane, and the space volume of this kind of equipment is relatively large.

Most of the users are entangled in whether to use a splicing screen with 1.7mm stitching or a splicing screen with 3.5mm stitching. Take the 55-inch 1.7mm splicing seam and 3.5mm splicing seam as an example. In fact, in terms of product dimensions, the difference between the two is not obvious. The 3.5mm splicing screen is only slightly larger by two or three millimeters. If you don't measure carefully, the two models are almost the same size.

The elevator projection advertising machine is installed in the elevator car with a professional miniature. It works by installing a set of projection equipment in the elevator.