Overview

Basic Info.

• Model NO. r3
• Usage Teaching Blackboard
• Structure Flat Blackboard
• Light Source DLED Backlight
• Brightness 350CD/M2 (Typ)
• Refresh Frequency 60Hz
• Response Time ≤ 8ms
• CPU I5/I7(Optional)
• Input Method Finger or Capacitive Pen
• Transport Package Wooden Box
• Specification 75 86 98 Inch
• Trademark none
• Origin Guangdong
• HS Code 8471414000
• Production Capacity 5000

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 in Digital Signage & interactive whiteboard. Our brand name is DWINYA, which is a famous company with R&D ability and touch lcd device selling. Production Professional manufacture specialized in OEM/ODM Digital Signage & Interactive Whiteboard, cooperated with global 500 top brands, served more than 1000 enterprises over 56 countries. To ensure the quality of our products, we have the clean room assembly environment, and the finished products are subject to at least 24 hours aging 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 services. Let us work together for a brighter future.