Product introduction The new generation of smart classroom nano blackboard is a new generation of full fit smart blackboard product launched in 2020. It is spliced by the left and right writing boards and the middle display screen, and can support normal writing with ordinary chalk, dust-free chalk and various water pens. The same area not only realizes the chalk writing function of the ordinary blackboard, but also provides high-definition display and interactive touch control, including playing teaching courseware, video, pictures, animation, annotation and other rich multimedia teaching functions. 
Characteristics of the new generation of smart classroom nano blackboard A. Writing with a variety of pens, waterproof and explosion-proof: You can write, erase and clean your handwriting directly with chalk, water pen and dust-free chalk; Automatic induction recognition; Nano toughened glass, explosion-proof, scratch proof and impact resistant; Android and windows dual operating systems, supporting arbitrary channel writing and annotation functions B. Audio visual combination, intelligent teaching: Support video, music, pictures, PPT and other multimedia teaching software;: Windows operating system, massive teaching software support, free download; Traditional interface, easy to understand; C. Anti blue light technology, green eye care: Anti glare AC toughened glass is used to effectively reduce the reflection of light: blue light filtering technology is more effective in protecting the health of teachers and students' eyes D. Full fit Technology: It adopts the full fit scheme of LCD and capacitive film, with ultra wide viewing angle, high light transmittance, high contrast, clear display, easy reading and eye comfort; Zero spacing display, reduce visual deviation,; Zero space touch, accurate and smooth writing E. Intelligent gesture recognition: One button black screen, touch and writing can be switched at will, support full screen writing, and writing is barrier free. F、 Touch display integration, multi person interaction: 10 point advanced capacitive intelligent touch technology to meet the simultaneous interaction of multiple people; Full HD led, clear picture and outstanding details; Industrial OPS host, wireless internet access, USB storage
| Smart Blackboard Specifications | ||
| Model | LS86 | LS75 |
| Size | 86 inch | 75 inch |
| PanelBacklight | D-LED(OD28) | D-LED(OD28) |
| Display Dimension | 1895.04mm*1065.96mm | 1650.24mm*928.26mm |
| Resolution | 3840*2160 | 3840*2160 |
| Glass | chalk, liquid chalk and marker | chalk, liquid chalk and marker |
| Thickness of glass | 3mm | 3mm |
| Hardness | Mhos 7H | Mhos 7H |
| Features | Black, Reversible, double-sided writing | Black, Reversible, double-sided writing |
| Brightness | 16:9 | 16:9 |
| Ratio | 4000:1 Typ. | 4000:1 Typ. |
| Contrast | 400nit (without glass), 350nit (with glass) | 400nit (without glass), 350nit (with glass) |
| View angle | 8ms(Typ.)12ms(Max.) | 8ms(Typ.)12ms(Max.) |
| Response time | 10 Bit (1.07B) | 10 Bit (1.07B) |
| Touch | ||
| Type | Capacitive touch | Capacitive touch |
| Technology | Nano Silver | Nano Touch |
| Active area | 1903.04mmx1073.8mm | 1654.24mmx932.1mm |
| Interface | USB2.0/3.0 | USB2.0/3.0 |
| Operate system | Win7, 8.1, 10/Android | Win7, 8.1, 10/Android |
| Touch point | 20 points in windows, 10 points in Android | 20 points in windows, 10 points in Android |
| Linearity | ±2.5 | ±2.5 |
| Working current | < 500mA | < 500mA |
| Stand-by current | 1A | 1A |
| Working voltage | DC5V | DC5V |
| Maninboard | ||
| Model | ADV811 | |
| Android version | Android 8.0 64Bit | |
| Chip type | Hi3751ARBCV8110D0N | |
| CPU | Dual-core A73 and dual-core A53 ，1.5GHz | |
| GPU | Quad-core MaliG51 | |
| RAM | 4GB DDR4 | |
| Flash | 32GB (64GB optional) | |
| Interface | ||
| Type-C, HDMI OUT, HDMI IN, USB 2.0, USB3.0, VGA IN, DP, RS232, RJ45 IN, OPS SLOT, SPDIF OUT, Touch USB, Earphone, MIC | ||
| Basic Info. | ||
| Gross weight | 98.27(KG) | 98.27(KG) |
| Net weight | 85.1(KG) | 85.1(KG) |
| Panel dimension(W x D x H) | 1991.1mm*93.5mm*1201.0mm | 1991.1mm*93.5mm*1201.0mm |
| Blackboard dimension(W x D x H) | 986.0mm*17.5mm*1201.0mm | 986.0mm*17.5mm*1201.0mm |
