The Westgate Mfg CL-FLT-54W-50K-E39 is a 54W LED 180-degree flat HID retrofit lamp with an E39 mogul base, designed for direct replacement of HID sources in commercial and industrial fixtures. It delivers 5,940 lumens at 5000K using Lumileds Luxeon 3030 2D LEDs across a 90150 beam pattern on 120277V. UL listed and DLC qualified with a 50,000-hour rated life; rated for damp locations. Black aluminum and polycarbonate construction with a 5-year warranty.