Specifications include, but are not limited to: Variable Message Boards, suitable for truck or skid mounting, shall meet or exceed the following specifications: a) Variable Message Boards shall be manufactured by Ver-Mac, Inc. 1781, Bresse Street, Québec QC Canada and shall include the following model numbers in the quantities specified in the solicitation including accessories/options to provide the specified functionality. • SM-548 (skid mount) • TM-548 (truck mount) • TM-3812 (truck mount) b) Variable Message Boards shall be complete, fabricated, wired, and delivered, suitable for vehicular mounting and operation while vehicle is in motion, in all weather conditions. c) All shall consist of a full matrix display panel that can be rotated from horizontal position (for reduced drag during travel) to vertical for display. d) Display modules shall be interchangeable self-contained units to enable “plug and play” troubleshooting and replacement. e) 12-volt power