DLC Listed 200V+ Bright White 10000 - 25000 Lumens LED HID Retrofit Lamps from Light Efficient Design with a Mogul (E39) Base For Enclosed Fixtures where CRI Range is 80 - 89, Color Temperature (Kelvin) is 4000-4999, Average Rated Life is 40,000 hrs and over, and Bulb Power Type is Ballast Bypass