Description：

The 75-inch DLED LCD touch screen integrates function modules such as presentation, writing, interaction and sharing to create a paperless teaching scene, realizing an efficient and harmonious teaching environment.

Feature：

* All-metal appearance, patented integrated design of lower profile beveled edges, without any visible connection lines for internal function modules.

* Fire-proof, explosion-proof, and splash-proof, the glass surface can withstand 100MPA impact; it will not splash and hurt people when the glass is broken.

* Adopt a narrow frame design, support 4K UHD display, support anti-glare interference, and a built-in smart core and operating system.

* The product has a safe photobiological safety guarantee, long-term use will not cause ultraviolet rays and blue light damage to human eyes and skin, and has anti-glare interference performance.

* Built-in embedded Android (Android 9.0) system, support whiteboard writing, WPS Office software use, multimedia playback, web browsing and other functions; form a dual operating system safe backup with optional plug-in PC module.

* Use infrared touch technology, provide highly optimized touch algorithm, fast response speed, and excellent writing and presentation fluency.

* Adopt an integrated three-key design, that is, the power switch, OPS computer switch and energy-saving standby button are the same physical button, ensuring the convenience of user operation.

* Designed with rich audio and video interfaces and control interfaces, it can satisfy a variety of signal source input and output to display devices.

* The touch menu can be quickly invoked on the side of the screen to realize wireless screen sharing, fast file transfer, timer, calendar, camera, touch lock, screen recording, screen capture, spotlight, voting device, eye protection, screen lock and other functions.

* Support five-finger gesture operation function: five-finger slide left, slide right, slide up, and slide down; they can be defined as no operation, return, homepage, screenshot, and screen off/screen on.

* Support fast channel jump, the channel switching button can be invoked on the side of the screen, and the channel can be entered from the sidebar with one key. Support channel memory function, and it enters the homepage by default when it is turned on; support written annotation in any channel.

* Support standby wake-up function: in standby state, the machine is waked up when the VGA/HDMI channel is connected to the signal. Support energy saving, environmental protection, increasing the service lifespan of the screen.

* Support wireless screen sharing: transmit computer/laptop signals to the interactive touch screen; receive four signals at the same time and display on the same touch screen.

* Support all networks: the machine can access the internet under windows and Android dual systems with only a network cable.

* The system housekeeper supports temperature monitoring and can monitor the temperature in real time. When it is overheated, it will be automatically shut down, and the system will be optimized. Support optimizing memory and cleaning junk files with one key.

* Support scheduled power on/off and lock screen password setting. If the current channel has no signal, it will automatically jump to the previous channel with signal.

* The low blue light eye protection mode can be turned on to effectively reduce the radiation damage of blue light.

Specification：