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| Place of Origin | China |
| Brand Name | TBC |
| Certification | CE-EMC, CE-LVD, RoHS, ETL, FCC |
| Model Number | D3.91 |
Outdoor P3.91 500x500mm Nation Star SMD2020 High Refresh Rate 3840Hz 8kg Magnesium Cabinet
Quick Assembly and Disassebmly
Unique fast lock design, the upper and lower cabinet connection can be completed in only one second
Adjustable Angle Lock
Arc-shaped connection available, with angle adjustment device, concave and convex 10 degrees of adjustment to meet the different arc connection applications.
Slim and Light Weight Cabinet Design
Weight only 8kg, easy to handle. Die cast aluminum cabinet, perfect splicing without gaps. Fast locking makes assembly and disassembly extremely easy. High-quality plugs ensure reliability.
Front Service Magnetic Module For Quick and Easy Maintenance
Snap-in quick disassembly design, maintenance and installation is more efficient and convenient.
Absolute 4K HD Display Visual Effects
High contrast 3000:1 and HD 4K perfect picture quality, bring you absolute visual enjoyment.
easily attract attention, greatly enhance the value of advertising.
| Brightness | nits | 4200 | ||
| Color temperature | deg.k | 3200 ~ 9300 | ||
| Viewing angle - Horizontal | deg. | 140(+70/-70) | ||
| Viewing angle - Vertical | deg. | 140(+70/-70) | ||
| Cabinet weight | kg | 9 | ||
| Cabinet width | mm | 500 | ||
| Cabinet height | mm | 500 | ||
| Cabinet depth | mm | 80 | ||
| Cabinet area | sq. m. | 0.25 | ||
| Cabinet material | Aluminum | |||
| Aspect ratio | 1:1 | |||
| Ingress protection (Front/Rear) | IP | IP65/IP43 | ||
| Operating temperature range | deg. C | - 20 to 50 | ||
| Operating humidity range | HR | 10％ to 90％ | ||
| Pixel type and configuration | R/G/B | SMD 3in1 | ||
| Pixel pitch | mm | 3.91 | ||
| Pixel matrix per cabinet | 128x128 | |||
| Pixels per cabinet | 16384 | |||
| Lines per meter | 256 | |||
| Pixels per sq. meter | 65536 | |||
| LEDs per sq. meter | 65536 | |||
| Recommended minimum viewing distance | m | 4 | ||
| Colours | 281trillion | |||
| Gray scale | Levels | 65536 levels per colour | ||
| Brightness control | Levels | 100 | ||
| Digital processing | bit | 16 | ||
| Frame rate | Hertz | 60 | ||
| Display refresh rate | Hertz | 1440 | ||
| Input voltage | VAC | 110/240 | ||
| Input power frequency | Hertz | 50/60 | ||
| Input power (max/avg) | Watts per sq.m | 800/280 | ||
| MTBF | Hours | ≥10000 | ||
| Lifetime (50%Brightness) | Hours | ≥100000 | ||
| Module brightness uniformity | ＜5％ | |||
| Blind spot rate | ＜0.0001 | |||
| Earth leakage current | mA | ＜2 | ||
| Red wavelength | nm | 623 | ||
| Green wavelength | nm | 525 | ||
| Blue wavelength | nm | 470 | ||
| Panel input format (with video processor) | VGA,DVI,SDI,YPbPr(HDTV),Composite,S-Video,TV | |||
| Data interconnection | CAT6 cable/Fiber | |||
| Operating system | Windows(XP/Vista/7/8/10) | |||
| Control distance | Up to 180 meters by CAT6 cable, single fiber up to 15 kilometers. | |||
