Display parameters | Screen size | 85 inches (16: 9) |
Display type | LED LCD display |
Screen display size | 1876 (width) × 1057.4 (height) mm |
Physical resolution | 3840 (H) × 2160 (V) (UHD) |
Display color | 8bit, 1.07B |
Refresh rate | 60HZ |
Brightness | center point 300-350 cd/㎡ |
Contrast ratio | ≥1200:1 (Typ.) |
Brightness uniformity | >72% |
Response time | 8ms |
Viewing angle | 178° |
Display screen protection | The main screen is 4mm full tempered high explosion-proof glass,
and the secondary panel is protected by aluminum honeycomb panel. |
Backlight life | 50000 hours |
TV parameters | Image system | PAL/SECAM/NTSC |
Sound system | BG /DK /I/L |
Channel storage | 200 |
Decoding | 3D digital comb filter, 3D image motion noise reduction, 3D motion
adaptive comb filter, etc. |
Speaker specifications | 15W /8Ω *2 |
Audio features | balance, automatic volume control, surround sound, equalizer |
Touch parameters | Touch sensing technology | Projected capacitive touch technology (10 points) |
Writing method | Finger, capacitive pen |
Positioning accuracy | ≤2mm |
Communication interface | USB interface |
Number of touches | theoretically unlimited |
Scanning speed | 10 ms/frame |
Reporting rate | 100 |
Driver | Free driver, window automatically recognizes and installs, no need
to calibrate |
Operating System | Support windows7/10, Android, Mac OS, Linux |
Writing method | Finger, capacitive pen |
Random accessories | Educational Wisdom Blackboard 85" | 1 set |
Power cord 2.0m | 1 (standard configuration) |
Certificate of conformity | 1 sheet (standard configuration) |
manual | 1 (standard) |
Warranty Card | 1 copy (standard configuration) |
Install parts | 1 set (standard configuration) |
Silicone corner protector | 4 (standard with right angle) |
Water-soluble dust-free chalk | 1 box (optional) |
chalk | 1 box (standard configuration) |
Magnetic water jet eraser and blackboard eraser (removable and
washable) | 1 (standard) |
Blackboard brush | 1 (optional) |
Wall mount | 1 set (standard configuration) |
Whiteboard magnetic nail | 2 (standard configuration) |
Remote control (with battery) | 1 (standard) |
Retractable whiteboard pointer, capacitor type | 1 (optional) |
Capacitive pen | 1 (standard) |
Simple Phillips screwdriver | 1 (standard) |