- Basic parameter of P4 indoor Full Color LED Ball
| Item | PH4 | |
| Basic parameter | LED | SMD 3-in-1 |
| Pixel pitch | 4mm | |
| Pixel composition | 1R1G1B | |
| Basic color | Red（Wave length 520-630nm）
Green（Wave length 520-530nm） Blue（Wave length 465-475nm） |
|
| Pixel density | 62500dots/㎡ | |
| Blind dots | ≤1/10000 | |
| Module split joint seam | ≤1㎜ | |
| Best viewing distance | 4-200m | |
| Surface flatness | ≤1㎜ | |
| Uniformity | Uniform brightness, uniformity 1:1.3 | |
| Circuit board layout | Reasonable layout，circuit standard and aesthetic | |
| Working temperature | -40°～70° | |
| Humidity | 20°～90° | |
| Electricity | Input voltage（AC） | 85V-265V |
| Linkage current | < 3mA | |
| Input frequency | 60/50HZ | |
| Input Average power | 275W/m2 | |
| Input max. power | 780W/m2 | |
| Control system | Host operating system | Windows |
| Synchronous with computer(display) | ||
| Main technical parameters | LED drive | 1/16scan Constant current |
| Refresh frequency | 1200Hz | |
| Grey grade | 8192 grade | |
| Brightness | ≥1800cd/㎡ | |
| Life span | 100000 hours | |
| Continuous failure-free working time | ≥10000hours | |
| Interface | RJ45 100M Ethernet network | |
| Communication media，control distance | Multimode optical fiber＜500m，single mode fiber < 30km，cat 5cable < 100m |
Note:Accept the customized solution both for indoor and outdoor.
