Featuring Programming Via PC Control Battery Back-up Scheduling Function. Dimensions 80x 160x 1005mm (Windows Software Included)Tri colour twin line moving message board The product features eye catching text and graphics 16 x 128 dots resolution 122 x 976 mm active area 16 import modes 16 export modes 4 display speeds 150 graphic file memory user friendly interface and programming via PC control battery back up of memory scheduling function for automatically switching messages on off and a clock that can be synchronized to your PC. Windows software included at no extra charge.