75 86 Inch Electronic OPS 4K IR Touch Screen Teaching Digital Interactive Nano Blackboard for Education

Product Description

Product Description

Product descriptions from the supplier

1. Professional modular architecture design, seamless integration of various modules and multimedia interaction (with a seam of less than 0.2mm between each blackboard module), no wrapping, no bulging, no writing interruption, and no poor writing, achieving true classroom overall interactive teaching;
2. The module architecture is horizontally and vertically adjustable, ensuring an overall flatness of 99% and no visual obstacles;
3. Adopting LED backlight high-definition LCD screen, A-size panel, with a selection of 60 inches or more (60-98 inches),
high-definition 1080P/4K display, to meet the various needs of schools for selection;
4. The flat surface has no borders, and dust does not affect touch control;
5. Signal splicing and conversion function, allowing for free combination of single and double screens;
6. Integrate fashion, technology, and modern teaching scenarios;
7. Adopting an intelligent electric overall lifting design, the height of the blackboard can be intelligently adjusted according
to the height of the classroom, podium, teacher or student writing needs.

 

Display	Screen size	75/86/98 inch
	light source	DLED backlight
	Physical resolution	3840 * 2160
	display scale	16:09
	brightness	350cd/m2 (Typ)
	Screen contrast	1200:1 (typ.) - Hard screen/4000:1 (typ.)/- Soft screen depending on Panel
	Pixel pitch (mm)	0.4935mm * 0.4935mm
	refresh frequency	60Hz
	Visual perspective	178 ° (H)/178 ° (V)
	Color gamut (% NTSC)	72% NTSC
	Chromaticity	1.07B
	HDR	support
	response time	≤ 8ms
Android	chip	982
	CPU	GHz A55
	GPU	Mali- G52MP2
	System support	Android 11.0
	Internal capacity	4G+32G
Interface		WIFI,USB2.0,USB3.0,LAN,VGA,AUDIO,
		RECOVE,HDMI,MIC,POWER
Windows(optional)	chip	Intel
	CPU	i5/i7(optional)
	Running memory	8G (optional)
	Hard disk storage	256G SSD(optional)
	interface	WIFI,USB2.0,USB3.0,LAN,VGA,AUDIO,RECOVE,HDMI,MIC,POWER
Touch	Touch technology	Nano silver capacitor technology
	Fitting method	Zero/full stickers
	Glass specifications	4mm AG tempered glass
	Input method	Finger or capacitive pen
	Maximum output points	eight p.m.
	Touch deviation	≤ 2mm, touch accuracy
	Transmittance	≥ 82%
	Haze	≤ 2.5
	surface hardness	≥ 7H

Company Profile

Guangdong ZhengTian Electronic Technology Co., Ltd, is specialized Digital Signage & interactive whiteboard .Our brand name is DWINYA,which is a famous company with R&D ability and touch lcd device selling.ProductionProfessional manufacture specialized in OEM/ODM Digital Signage & Interactive Whiteboard,cooperated with grobal 500 top brands,served more than 1000 enterprises over 56 countries. To ensure the quality of our products,we have the clean room assemblyenvironment,and the finished products are subject to at least 24 hoursaging test and strict QC process. 20 QC employees and 14 steps quality checking ensure our products 100% reaching the standards of safety and eco-friendly..We have 150+ employees ,20+ QC and 20 international service teams,which can provide customers with one-stop servieces.Let us work together for a brighter future.

Certifications

 

FAQ

Q1: What products do you offer?

Our main products is Advertising machine. Now we can offer Advertising machine, Interactive Whiteboard, Temperature screening kiosk etc.

Q2: How can I get a sample to check your quality?
If you need sample to test, please pay for the freight and sample cost. And the sample cost will be returned back to you after you place an bulk order more than our MOQ.

Q3: Can I have the products with my own logo?
Yes. We can offer both OEM and ODM service with prototype design and small MOQ.

Q4: How long can I expect to get the sample?
The samples will be ready for delivery in 3~5days after we receive the payment.

Q5:Can you give me a discount?
Yes, based on wholesale service, we have better discount for bigger quantities. We will quote you the best price based on your order quantity.

Q6. How to do if I can't reach your minimum order quantity?
Do not worry about that. If you can't reach MOQ for each item, we suggest you refer to our goods in stock and group sourcing items. We also can send you the latest list of the prompt goods for your reference.