The purpose of LED electronic display screen
(1) Real time release of air negative ion concentration data;
(2) Publish commercial advertising information;
(3) Publish major meteorological disaster warning information;
(4) Publish regular weather forecasts and real-time weather information;
(5) Publish announcements and government information required by the government.

Product features:

Standard industrial grade products that meet industrial standards and can be used in harsh industrial site environments;
● Easy to use, flexible, and reliable, with multiple technologies ensuring high stability of the product;
● Supports dual band GSM/GPRS 900M, 1800M;
The power supply voltage is DC5V, with energy-saving mode, suitable for mobile devices;
Anti interference design, suitable for applications in harsh electromagnetic environments;
The terminal has no geographical restrictions. Can simultaneously control terminals in different regions;
Information can be sent in real-time, and terminals can receive information in real-time;
● It can achieve point-to-point distribution, point-to-point multi-point distribution, and group batch distribution of information;
● Large storage space, calculated with 300 Chinese characters per message, can simultaneously store 127 pieces of information, and can also be expanded according to specific customer needs.
● The screen text movement mode and text movement speed can be modified.
The information transition effects include: from right to left, from bottom to top, from top to bottom, from the middle to both sides, from both sides to the middle, and other transition effects.
● It can simultaneously delete display content on the terminal system: it can be deleted individually or all display content can be cleared.
● Can be timed to turn on/off the screen: Set the automatic screen on/off time, and when the time is up, the system will automatically turn on/off the display.
Good protection, junk information cannot enter. Only information sent by trusted numbers can be displayed on the screen, effectively controlling the entry of spam messages.
Multiple fonts are supported. Can simultaneously store 3 fonts of 16 * 16, 24 * 24, 32 * 32 for users to choose from, and can be upgraded to 64 point high display fonts
● Group management mode. For multiple terminals, group management has been implemented, making it more convenient to manage each terminal device.
At the same time, we can expand the functionality according to the different needs of users.
● Online remote configuration. For multiple terminals, online remote information configuration can be performed