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| Place of Origin | China |
| Brand Name | TBC |
| Certification | CE-EMC, CE-LVD, RoHS, ETL, FCC |
| Model Number | D3.91 |
P3.91mm Front Service Indoor Stage Rental LED Display with 4K High Definition
1. Front service, super easy to install and use
2. Light weight and slim, easy to handle
3. Energy saving compared with normal products
4. High refresh IC, better viewing effect, no flickering, no ghost
5. Larger viewing angle, lower power consumption and excellent color uniformity.
6. Same level of red, green and blue led chips, which makes excellent and uniform image display
| Brightness | nits | 1000 | ||
| Color temperature | deg.k | 3200 ~ 9300 | ||
| Viewing angle - Horizontal | deg. | 160(+80/-80) | ||
| Viewing angle - Vertical | deg. | 160(+80/-80) | ||
| Cabinet weight | kg | 11 | ||
| Cabinet width | mm | 500 | ||
| Cabinet height | mm | 1000 | ||
| Cabinet depth | mm | 80 | ||
| Cabinet area | sq. m. | 0.50 | ||
| Cabinet material | Aluminum | |||
| Aspect ratio | 1:2 | |||
| Ingress protection (Front/Rear) | IP | IP40/IP20 | ||
| Operating temperature range | deg. C | 0 to 40 | ||
| Operating humidity range | HR | 10％ to 90％ | ||
| Pixel type and configuration | R/G/B | SMD 3in1 | ||
| Pixel pitch | mm | 3.906 | ||
| Pixel matrix per cabinet | 128x256 | |||
| Pixels per cabinet | 32768 | |||
| Lines per meter | 256 | |||
| Pixels per sq. meter | 65544 | |||
| LEDs per sq. meter | 65544 | |||
| 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 | 600/210 | ||
| 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. | |||
