WAC Lighting TK-49534-BN Vector 4 Light 120-277 Brushed Nickel Rail Lighting System Ceiling Light, LED. Vector 4 Light 120-277 Brushed Nickel Rail Lighting System Ceiling Light, LED. Vector Energy Star LED 4 Light Fixed Rail in Brushed Nickel. Install Position: Can be mounted on ceiling or wall in all orientations. 350 horizontal and 90 vertical aiming. Driver located in junction box with minimum inside dimension of 3.5" x 3.5" x 1.5. Driver concealed within the fixture. Can be mounted on ceiling or wall in all orientations. Primary Bulb(s): 4 x33.00 watts LED. Color Rendering Index: 90.0000.