| Products series | SPU3.91 |
| Pixel Pitch(mm) | 3.91 |
| Pixel density(dots/㎡) | 65536 |
| LED encapsulation | SMD1921 |
| Driving method | 1/16 |
| Resulution of module | 64X128 |
| Module size(mm) | 250X500 |
| Cabinet size(mm) | 500X1000 |
| Material of cabinet | Die-casting magnalium |
| Weight of cabinet(kg) | 14±0.5 |
| Working voltage(v) | 4.2 |
| Max.consumption(w/㎡) | 850 |
| Ave.consumption(w/㎡ ) | 300 |
| Brightness(nit) | 4500 |
| Color temperature | 6000－8000K |
| View angle | 120° |
| Refresh rate(hz) | 1920 |
| Working temaperatuer | -20℃ ~50℃ |
| Protection grade | IP54 |
| Grey / scale | 13bit |
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