Touch screen electronic signature is a kind of equipment, which mainly adopts electromagnetic technology and capacitance technology. Some only use electromagnetic technology, that is, they can only respond with electromagnetic pens. Capacitive handwriting screen can be operated directly on the screen by hand, but it is not very convenient to sign things, so electromagnetic technology is usually added to realize better pen signature on documents.

So far, the compatibility between electromagnetic technology and capacitance technology used on a screen is the best. There is no brand name on this screen, so it's right to buy a good one. If you want to buy one, you can ask the crown online. Generally, there are more customized ones, and less ones are sold separately.