Specifications include, but are not limited to: Existing Message Boards will be refurbished, painted, upgraded, and re-warrantied. Refurbishment includes but not limited to; Pressure wash & cleaning, painting of trailer, changeable message display (DC) connect power and play. Capable of three lines of alphanumeric 18" high text and graphics/animations, all LED display self-contained on-board computer-multi alphanumeric fonts, powder coat paint system display is 142"x 81". Also supports up to 260 predefined messages (text and graphics) and supports storage of up to 100 changeable messages. NTCIP Complaint, replace batteries with 360 amp 8D wet batteries, solar charge controller; 30amp 12/24VDC with LCD display-reverse polarity and short circuit protection.