LED Lamp, 100W, 120-277V, Bulb: LED for HID Retrofit for Post Top/Area Light, Base: Mogul Screw (E39), Lumens: 10669, CRI: >84, Color Temperature: 4000K, Rated Average Life: Up to 50,000 Hrs. 100W LED Replaces 400W MH or HPS HID Lamps. UL approved for damp environments and enclosed fixtures. LDL Recognized. When installing LED-8000 series retrofit lamps within HID fixtures, ballast must be bypassed when present.