1.Specification: 7*40(H*L)dots,indoor 2.Character:1.5"or 2.1" 3.Dimension: 357(L) X 105(H) X 40(D)/mm 4.Colour: Red/Amber/Green/Multi-color 5.Pitch:4.76mm/7.62 mm 6.Power source:100-240V AC,12V or 24V DC 7.Power consumption: 10 w 8.Memory retention: 10 years 9.Infrared remote control input could finish all the function. 10.Optional communication ways: RS232, RS485, USB,TCP/IP. 11.15 kinds of colour, 15 kinds of font, 10 kinds of time format, 28 attached icons of alterable color,international character of changeable font. 12.24 kinds of play mode, six grade display speed and 10 grade stop time for your choice. 13.Display 16 gray scale picture. 14.Multi-color and ultra-bright single color models available 15.The programme could be upgraded on line. 16.High precision Real time clock & calendar,10 kinds of time forms 17.Case material:Aluminum alloy 18.Mounting method:Mounting to wall and ceiling