Signify Luminaires Dusk-to-Dawn Lighting, Generation 2, 120 VAC, 39 W Fixture, 911 mA, LED Lamp, 1 Lamp, 86 Lumens/W Light Output, >48000 hr Average Life, 5100 K Color Temperature, 75 CRI, Prism Lens, 3356 Lumens, Arm Mounting, Die Cast Aluminum Housing Material, Light Gray Smooth Housing Finish, 8.29 in H x 10.04 in W x 14.6 in D Dimensions,