Specifications include, but are not limited to: 2.1.1 The LED blank out sign face shall measure 36” X 36” 2.1.2 The LED blank out sign shall display a blank black face when non-energized and “NO TURN ON RED” when energized. 2.1.3 The LED blank out sign shall incorporate red LEDs with a viewing angle of at least 23 degrees. 2.1.4 The LED blank out sign shall operate with standard 90-120VAC, 60Hz power input. 2.1.5 The LED blank out sign shall have a power consumption rating of less than 105 Watts. 2.1.6 The LED blank out sign shall have a minimum 6” sun visor.2.1.7 The LED blank out sign shall incorporate LEDs mounted on modular printed circuit boards. 2.1.8 The LED blank out sign shall have screened weep holes for moisture evacuation. 2.1.9 The LED blank out sign shall be constructed of black powder coated marine-grade aluminum. 2.1.10 The LED blank out sign shall be mountable to Traffic structures with City provided Pelco Astro-brac clamps.