| Model State | TF-A2(USB Port) Batch supply |
| Function introduction | More arbitrary division,USB Port |
| Usage | indoor/outdoor |
| Pixel | Single colour640x16;320x32;Double colour320x16;160x32 |
| Ports | one 08 port;two 12 ports |
| Scanning mode | support 1/16,1/4,Scan the monochrome,double color module. |
| Storage | 2M |
| Program number | Support at most 200 programs,each program support 16 partitions simultaneous play,each image-text 200 messages.（Quantity in storage space under the premise of memory） |
| Display | rain,fountain,scroll and much more |
| Border | support many Color border,Picture border |
| Flash format | support GIF,SWF |
| Image format | support BMP,JPG,GIF,WMF,ICO |
| Communication way | USB direct communication (must install USB drive),support the automatic search,free com |
| Brightness | Level 16 highlighted,support manual |
| Test button | manual |
| Test buttons | Test buttons on-board,can switch over to test mode and color test mode. |
| Function expanden | temperature,moisture,RF |
| Electrical parameters | +5V DC(4.5V～6V),Power consumption<0.5W |
| Working temperature | -30℃～70℃ |
| Size | 50mm*100mm,Hole spacing:40mm*90mm |
