A full matrix LED display specifically designed for ease and speed of deployment. Its full size, full matrix display can be dispatched from the back of a vehicle and set up by one person using the MDI Support Stand. This unit will allow up to 25 multipage text/graphics messages to be stored. Custom messages can easily be designed and uploaded to the instALERT using PDA, laptop or PC. System includes: instALERT Rapid Messenger w/ mounting bracket WindMaster Support Stand exclusively designed for use with instALERT Rapid Messenger 1) Dual mounting positions (3ft / 5ft above the ground) 2) Three piece telescoping upright for each of deployment and storage 3) Multi position leg locks for use on uneven ground 4) Designed for storage with instALERT mounting bracket attached 5) Telescoping legs for compact storage Portable Battery Box Bluetooth compatible software - PDA programmable