Product Parameters
| Model | CJ181-Fold | CJ251-Fold |
| Pixel Pitch | 1.875 | 2.5 |
| Operate System | Android 11 | Android 11 |
| Display Size | Unfold：2041*1216mm，Fold：2041*616mm | Unfold：2041*1216mm，Fold：2041*616mm |
| Resolution | 1080*640/1080*320p | 810*480/810*240p |
| Display Size | Unfold：2025 *1200mm，Double Side：2025*600mm | Unfold：2025 *1200mm，Double Side：2025*600mm |
| Brightness | 0-600cd/m² | 0-600cd/m² |
| Contrast | 4000:01:00 | 4000:01:00 |
| Greyscale | 14bit | 14bit |
| Refresh Rate | 3840Hz | 3840Hz |
| Viewing Angel | 160°(H) / 160°(V) | 160°(H) / 160°(V) |
| Respond Time | ≤0.5ms（Typ） | ≤0.5ms（Typ） |
| Video Port | HDMIx2（1in1out），USB 3.0×1 | HDMIx2（1in1out），USB 3.0×1 |
| Audio Port | External Audio x 1 Port | External Audio x 1 Port |
| Control Port | RJ45x1、WIFI、 | RJ45x1、WIFI、 |
| Input Voltage | 100-240V~50/60Hz | 100-240V~50/60Hz |
| Whole Size | Unfold：2218*1216mm，Fold：2218*616mm,Fully Fold：1198*616*480mm | Unfold：2218*1216mm，Fold：2218*616mm, Fully Fold：1198*616*480mm |
| Weight | 80kg | 80kg |
| Working Temperature | -10℃～40℃ | -10℃～40℃ |
| Working Humidity | 10%～65%RH | 10%～65%RH |
Quality makes brand.Service creates value. It will be a pleasant tour to cooperate with Sunrise.
