| technical parameters of M31 | |
| max pixels | 320x256(real pixels) or 256x256(virtual pixels) |
| HUB | Support 2 pieces of HUB |
| LED screen's color | full color |
| storage | 500MB |
| grey level | 4096 |
| LED module's mode | outdoor and indoor |
| communication type | Network/U-disk |
| audio | Optional |
| display on schedule | support |
| video format | support AVI,WMV,MPG,MOV,DAT,VOB,MP4,FLV |
| flash format | support GIF,SWF |
| image format | support BMP,JPG,GIF,WMF,ICO |
| text format | support TXT,RTF |
| display text | support single-line / multi-line / static text |
| Table | editing table randomly |
| time | support digital and analog clock |
| timekeeping | support timing and count down |
| sensor | measure temperature and humidity, auto-measure brightness and exchange program by remote |
| upgrade storage | Expand storage by U-disk |
| software | LedEditorV9 |
| Stock | In stock |
| Normal parameters | |
| Working voltage(V) | 4.5～6 |
| Maximum working current(A) | 1 |
| Maximum power consumption (W) | 5 |
| Working temperature(℃) | －20～＋60 |
| Controller size (cm) | 17.5(L)×9.6(W)×2.5(H) |
| Weight (g) | 138 |
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