75 Inch Smart Blackboard, Interactive Blackboard OB75

75 Inch Smart Blackboard, Interactive Blackboard OB75

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75 Inch Smart Black Board.

Gun gray appearance, standard anti glare glass, infrared touch 20 points, single power supply, single motherboard, standard educational version, front eight buttons (three in one on/off, volume+, volume -, eye protection, screen recording, settings, image ratio, one key restore key), front interface: 3-way USB, 1-way HDMI, 1-way TouchUSB, 1-way Type-C interface+automatic photosensitive (optional NFC function)

Product Description

Display specification
Diagonal display size 75″
LED Brand CSOT/BOE
Bezel color Aluminum frame(Black & Silver color)
Back Light Direct type LED, OD18
Active area (mm)/(H) * (V) 1649.66 * 927.93
Resolution 3840*2160 @60HZ
Aspect Ratio 16:9
Contrast Ratio 1200:1/4000:1
Colors 1.07 billion colors
Brightness 350cd/m2
Viewing angle 178°
Lifetime 350cd/m²
Glass hardness Mohs-7 level
Screen surface 3mm thickness Anti-Glare glass
Transmittance ≥82%
Haze ≤2.5

Panel Interactivity
Bonding Technology Optical Bonded
Touch technology NANO Capacitive touch
Touch points 20 points (Win 7/8/10/11)
10 points touch (Android)
Touch accuracy ≤2mm
Recognition Finger or passive stylus
Response Rate ≤6ms
Minimum object size Single touch ≥1.6mm
Multiple touch ≥3mm
Response Time ≤5 ms
Transmittance ≥82%
Haze ≤2.5
Speaker 15W*2
Hotspot Yes
Bluetooth V 5.0(2.4Hz)
WiFi 802.11 ac/b/g/n/ac, 2.4GHz/5 GHz
Windows OPS Slot OPS & OPS-C Intel standard
System support Win10/Win8/Win7/Mac OS
/Android/Chrome OS/Linux

Side Blackboard
Material Aluminum Honeycomb
Color Black
Quantity 2 pcs, right & left side
Dimension/mm 1108*1240.35*94
Function with the magnetic absorption function, Chalk could write

Operating system
Android Version Android 11.0
Chipset Amlogic T982
CPU 4*ARM Cortex A55
GPU RM Mali-G52
RAM 4GB(8GB for optional)
ROM 32GB(64GB for optional)
Compliant with Windows; Mac; Linux; Chrome OS

Front side Connectivity
Front ports USB3.0 Type A  * 3, HDMI in 2.0   * 1, Touch USB3.0 type B   * 1, Type C  * 1
Front Button Indicator: Red/Blue, Lighter Sensor, One kry recover
Screen Record/Ratio/V- / V+/Setting/ECO/Power
Front pen Holder Support

Rear side Connectivity
Rear side ports RJ45 in *1
RS232 *1
SPDIF OUT*1
YPBPR IN*1
AV in *1
MIC*1
Earphone*1
VGA in*1
Audio in*1
HDMI in*2
Touch USB 2.0 Type A *1
USB2.0*2
TF CARD*1

Physical Specifications
Net Weight /(kg±2) 92
Gross Weight /(kg±2) 117
Overall size(mm)/(L*H*W) 4214 * 1240.35 * 94
2340 * 1320 * 310
Carton size(mm)/(L*H*W) 2400 * 1500 * 370

Electrical
Input Voltage 90-264V AC
Power Consumption(Standby) <0.5W
Power Consumption Maximun< 400W
Environmental
Working Temperature 0℃ ~ 40℃
Storage Temperature 一20℃ ~ 60℃
Working Humidity 10% ~ 90% RH, Non-Condensing
Storage Humidity 10% ~ 60% RH, Non-Condensing

OPS PC(Optional)
CPU I5(I3/I7 for optional)
RAM 8G(4G/16G for optional)
ROM 128G SSD (256G/512G)
Standrad 80 PIN(Chinese Standard/international standard)
Dimension/cm 195*180*42/119*180*30
Camera(Optional)
Model UHD Camera
Install Method Built-in(on the middle-upper frame)
Pixel 12MP
FOV Diagonal: 94°
Compliant with OS Windows; Android; Mac; Linux; Chrome OS
Microphone(Optional)
Install Method Built-in(on the middle-upper frame)
Number 8 Array
Voice Pickup 0-8M
Accessories
Accessories Stylus * 2, Remote control *1, 2m power cord *1, wall mount kit; Rag *2pcs
Water soluble chalk *1box, Wireless dongle(Optional);  Smart Pen (Optional)
Installation & Maintance
Wall mounted, Easy to Lift up ahead design to do the maintance

Additional Information

Weight 117 kg
Dimensions 2400 × 1500 × 370 cm
OPS PC

CPU I5 (I3/I7 for optional)
RAM 8G(4G/16G for optional)
ROM 128G SSD (256G/512G)
Standrad 80 PIN(Chinese Standard/international standard)
Dimension/cm 195*180*42/119*180*30

Camera

Model UHD Camera
Install Method Built-in(on the middle-upper frame)
Pixel 12MP
FOV Diagonal: 94°
Compliant with OS Windows; Android; Mac; Linux; Chrome OS

Microphone

Install Method Built-in(on the middle-upper frame) P
Number 8 Array P
Voice Pickup 0-8M P

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