Wisdom teaching touch interactive blackboard：

Touch parameter
1, ten point real capacitance touch;
2. continuous response speed is less than or equal to 5ms.
3. touch recognition of less than or equal to 2 mm.
Design attribute parameters
1., internal signal interface: internal signal interface: HDMI*3, DP*1; VGA*1, YPBPR*2, line in*1; built in audio horn: 2*15w, control interface: USB*8, RS232*1 and so on.
2. external interface: HDMI*2 (when the external HDMI interface has signal source input, the signal is forced to display, has priority, and the signal interface has anti-static interference function. The product signal interface must have the functions of automatic control and distortion prevention, multi-channel image synchronization display, remote transmission and anti-static function, and intelligent automatic tracking system for signals.
3. sound box suspension design structure, output power: 15 watts x2.
4. frame aluminum alloy design, seamless design structure, no sharp angle design, safe and reliable.
The 5. appearance is designed with anti oxidation light aluminum, unique fan free air duct design and better heat dissipation.
6. the surface of the equipment has full waterproof function and has the function of resisting strong light and anti-interference.
characteristic parameter
1. display size:  65 inch, 75 inch, 85 inch, 98 inch, must use the A gauge LCD panel, 4K ultra high definition display.
2. contrast: 4000:15000:1, color: 6500~13000K, brightness: 360~450cd/ square meters, the response speed: 8ms
3. physical resolution: 3840*2160 (1:1 Map point to point 2160P display); visual angle: (horizontal / vertical) 189 degrees
4. LCD screen service life more than 75000 hours. .
Product advantages:
Flat appearance: no frame flat surface, the dust does not affect the touch signal; splicing conversion function, single screen, double screen free combination; fashion, science and technology, and the integration of modern teaching scene;
The combination of audio-visual and intelligent teaching: supporting multimedia teaching softwares such as video, music, pictures, PPT, etc. Windows operation system and traditional interface are simple and easy to understand; super whiteboard teaching software meets the needs of teaching.
Anti glare technology, green eye protection: high light filtration technology, effective filtration of 80% harmful light, protect eyesight, anti glare technology, diffuse light reflection treatment, prevent reflection; 178 degree visual angle does not affect the two row students watching.
Touch and show one, multi - person interaction:
Chalk writing, waterproof riot: you can use the direct writing, erasing and cleaning chalk handwriting; automatic recognition, surface water can still be normal touch; nano imported tempered glass, anti scratch, anti riot and fight; rounded design, safety protection of students nuanced ten points; capacitive touch screen, meet people at the same time interaction; 4K Full HD LED, clear picture; OPS with host computer, wireless Internet, ultra high speed solid-state hard disk;
Multi dimension, multi scenario application: 85 inch, super size display, suitable for Career Academy, University and other classroom use; 75 inch /70 inch /65 inch, suitable for indoor and outdoor use in high school and high school; 50 inch /55 inch /58 inch: suitable for kindergartens or smaller space classrooms.

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