Specification:
display dimension is 2300mm(L)*1100mm(H)
the  height of character"8" is 300, 200mmdisplay: 00:00:0 to 59:59.9
HOME GUEST display: 000 to 999
display 00 to 99
PLACE display 0 to 9
control:Controller
Angle of view: 60 degrees
Be good for view distance: 10 to 200 meters
Power supply: AC110 or AC220V