Specifications include, but are not limited to: Truck Mounted Message Board. Equivalent to: ADDCO Brick Vehicle Mount Message Board – Full Matrix model #TG43 Brick skid. Sign Panel Shall be an aluminum frame with 1 inch by 3 inch channel. Back panel shall be 0.063 aluminum sheet riveted to the frame. Aluminum frame and back shall be etched and finished with a minimum of two coats of nonreflective flat black enamel. Changeable Message sign (CMS) Shall be modular in design. Panels shall be mounted to bus bars. All power/data shall be carried by bus bars. The sign shall consist of three rows of 4 modular character panels; the sign panel shall be capable of full matrix display. Modular character panels: Face Material: UV – Inhibited polycarbonate w/UV, silk-screened mask Body Material: ABS Thermoplastic Width: 81 inches +/- 2 inches Height: 44 inches +/- 1 inch LED Characteristics: High Density LED Angularity:30 degrees Min Pixel Density: 45 Pixels/sf LED’s per Pixel: 4 LED Type: 592 NM Amber Ave Current Draw: 0.94 amps Max Current Draw: 4.8 amps Nominal Voltage: 12 V DC Minimum Voltage: 10.5 V DC Maximum Voltage: 16.0 V DC