Specifications:
Frame: Aluminium alloy
Panel: Acrylic
LED color: Red
Display Matrix: 7 x 55
Pixel Diameter: 7.62mm
Display Area: 78 x 618mm(one line)
Size: 120(H) x 670(L) x 33(D)mm
Storage capacity: 16 messages (each can be 255 characters long)
Display Modes: Scroll up, Scroll down from the top, Scroll from the left, Scroll from the right, static, unfold from the middle 
Lumen: 9 levels
Speed: 9 levels
Power: Adapter(Input: AC220V/110V, Output: 5V/3A)
Communication: RS232
Additional Function: Countdown