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75 Inch Smart Digital Blackboard with 180-260V AC Input and 4K Flat Writing Panel for Interactive Teaching

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75 Inch Smart Digital Blackboard with 180-260V AC Input and 4K Flat Writing Panel for Interactive Teaching

Name: 75 Inch Smart Digital Blackboard with 180260V AC Input and 4K Flat Writing Panel for Interactive Teaching
Brand: MTHGH
Price: 1 USD

Buy cheap 75 Inch Smart Digital Blackboard with 180-260V AC Input and 4K Flat Writing Panel for Interactive Teaching product

Contrast Ratio : 1200:1

Back Light : LED

Length : ≥4450mm

Storage : 64GB

Display Color : 16.7M BBIT

Ram : 4GB

Resolution : 3840*2160 4K

Response Time : 4.0ms

Brightness : 400cd/㎡±50

Display Ratio : 16:9

Equality of Brightness : >70%

Screen Size : 75 Inch

Input Voltage : 180-260V AC

Display Area : 1650.24(H)x928.26(V)

Brand Name : MTHGH

Model Number : XYC-75

Place of Origin : China

Ports : HDMI, USB

Point Distance : 0.143 (H) x 0.430 (V)

Certification : CE FCC ROHS ISO14001 ISO45001 ISO9001

MOQ : 1 Set

Price : Negotiable

Payment Terms : L/C,T/T,Western Union

Supply Ability : 10000 Piece

Delivery Time : 7-10 Work Days

Packaging Details : Standard carton package : carton+ plastic bag+ foam+ honeycomb paperboard+ pack thread.

Size : 65/75/86 Inch

LED Lifetime : >50000 Hours

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180-260V AC Input 75 Inch Interactive Touch Screen Display LED Panel Smart Digital Blackboard

75 Inch 4K 3840 x 2160 Display Panel

500 cd/m² High Luminance Output

10/20 Touch Finger & Stylus Input

180-260V AC Universal Grid Power

Product Overview

The 75 Inch Interactive Touch Screen Display LED Panel Smart Digital Blackboard is engineered to maximize operational efficiency across modern academic institutions and corporate presentation centers. Delivering an intense screen brightness of 500 cd/m² and dynamic contrast ratios up to 5000:1, digital courseware and presentation slides remain perfectly legible under bright room illumination.

75 Inch Smart Digital Blackboard with 180-260V AC Input and 4K Flat Writing Panel for Interactive Teaching

The 75 Inch Interactive Touch Screen Monitor (Nano Intelligent Blackboard) seamlessly combines traditional dustless blackboard writing functionality with modern multimedia teaching tools. The comprehensive hardware facility integrates a physical writing board, high-definition touch screen monitor, microphone array, audio speaker, document visualizer, OPS computing module, and central control panel. This system enriches teaching methods and facilitates excellent interaction between students and teachers, significantly improving teaching quality and learning efficiency.

Key Features & Spotlight Capabilities

Display Optics

75" 4K UHD LED Panel

1650.24 x 928.26 mm active display area with 500cd/m² brightness and >70% brightness uniformity.

Touch Performance

10/20 Multi-Touch Points

2.5ms rapid touch response time with ≤2mm deviation and >60,000,000 single touch lifespan.

Hardware Integration

All-in-One Console

Built-in OPS slot, microphone, audio speaker, visualizer link, and central system control panel.

Electrical & Storage

180-260V AC Power + 64GB

Universal wide-voltage power grid adaptability paired with 64GB onboard high-speed storage.

Product Name: Smart Digital Blackboard / Nano Intelligent Blackboard
High-Speed Port Connectivity: HDMI and USB Interface Array
Contrast Ratio Performance: 1200:1 Dynamic / 5000:1 Peak Contrast Ratio
Smart Blackboard Panel: 75 Inch 4K UHD Flat Writing Panel
Internal Storage Capacity: 64GB SSD Onboard Storage
Target Application Scope: School Teaching, University Auditoriums, Corporate Meetings
Global Electrical Adaptability: 180-260V AC Wide Voltage Input
Writing Input Media: Finger Touch or Active Capacitive Stylus Pen

Technical Specifications

Screen Specifications
Dimension & Screen Size	75 Inch Central Display Panel
Active Display Area	1650.24 mm (H) x 928.26 mm (V)
Pixel Point Distance	0.143 mm (H) x 0.430 mm (V)
Native Screen Resolution	3840 x 2160 P (4K UHD)
Display Aspect Ratio	16:9 Widescreen
Panel Luminance Brightness	500 cd/m² High Luminance
Dynamic Contrast Ratio	5000:1 (Contrast Ratio Options: 1200:1 / 5000:1)
Equality of Brightness	> 70% Uniform Luminance
Panel Response Time	4.0 ms Response Time
Display Color Depth	16.7 Million Colors (8-BIT)
Backlight Type & Lifespan	D-LED Backlight (> 50,000 Hours Lifespan)
Touch Specifications & Electrical
Touch Points Capacity	10 / 20 Points Simultaneous Multi-Touch Input
Writing Media Input	Finger Touch or Capacitive Stylus Pen
Response Deviation	≤ 2 mm High Precision Track
Touch Response Time	2.5 ms Ultra-Fast Touch Response
Touch Surface Lifespan	≥ 60,000,000 Touches Single Touch Life
System Onboard Storage	64GB SSD Storage Space
I/O Ports Array	HDMI, USB Pass-Through Ports
Input Power Voltage	180-260V AC Wide Voltage Input (50/60Hz)
Operating System Engine	Dual System Supported (Windows & Android Engine)

Applications & Deployment Scenarios

The MTHGH Smart Digital Blackboard from China is a smart electronic blackboard engineered for a wide variety of educational, corporate, and institutional applications:

K-12 & Higher Education Classrooms: A valuable tool for interactive teaching, allowing educators to write with chalk or digital stylus, annotate slides, and present 4K video courseware to engage students in innovative ways.
Corporate Boardrooms & Strategy Rooms: Enables business executives to connect laptops via HDMI or USB ports, annotate financial spreadsheets, lead hybrid video meetings, and store files directly on 64GB internal memory.
Vocational Training & Seminars: Facilitates step-by-step technical demonstrations with real-time multi-touch student interaction.
Remote Hybrid Learning: Bridges physical classrooms and distance learning platforms, allowing remote students to view lectures with crystal clarity.

Frequently Asked Questions

Does the 75-inch Smart Blackboard support Dual Operating Systems?

Yes, the system features a dual OS engine supporting both Windows and Android environments, enabling educators to switch between Android teaching apps and Windows software with a single touch.

What power input standards are supported for global installation?

The system operates on a universal 180-260V AC wide voltage power supply (50/60Hz), making it fully compatible with electrical grids across Europe, Asia, Latin America, and the Middle East without requiring external transformers.

What touch input methods and response speeds are supported?

The screen supports both finger touch and capacitive stylus pen writing with 10 or 20 simultaneous multi-touch points, achieving an ultra-fast 2.5ms response time and ≤2mm deviation.

Are OEM/ODM customization options available for bulk procurement?

Yes, as a factory-direct supplier, we offer full OEM/ODM customization covering exterior frame design, branding logos, hardware specifications, and custom packaging.

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