| P3.91（Outdoor Rental LED Screen） |
| No. | Project | Technical Parameters |
| 1 | Pixel composition | 1R1G1BLED （SMD1921） |
| 2 | Pixel pitch | 3.91mm |
| 3 | Module size | 250mm*250mm |
| 4 | Module resolution | 64x64 |
| 5 | LED chip | 2038S |
| 6 | LED package form | Kinglight / Nationstar / Hongsheng |
| 7 | Display density | 65536dots/㎡ |
| 8 | Maximum white balance brightness | ≥4500cd/㎡ |
| 9 | Gray level | 16bits |
| 10 | Display color | ≥16.7M species, up to 281 trillion species |
| 11 | Out of control points | ≤0.0001 |
| 12 | Best view distance | ≥10m |
| 13 | Viewing angle | Level: ≥120°Vertical≥120° |
| 14 | Device driver | 1/16Scan |
| 15 | Brightness adjust method | Manual automatic, programming and automatic with sensors |
| 16 | Change frame frequency | ≥60Hz |
| 17 | Refresh rate | ≥1920~3840Hz |
| 18 | Control method | Synchronous |
| 19 | Lifetime | 100000 hours. |
| 20 | Operating Voltage | AC110- 240V±15%，50Hz/60 Hz |
| 21 | Environmental temperature and humidity | Temperature：-20℃～+60℃，Humidity：10%-50% |
| 22 | Power consumption (maximum/average) | 800w/m²,350w/m² |
| 23 | IP level | IP65 |
| 24 | Maintenance method | Rear-maintenance |
| 25 | Cabinet weight | 20 Kg/Pcs |
| 26 | Switching power supply | 5V/40A/60A |
