Check the listing for details. ETC S4WRDT120-A Source 4WRD II, Retrofit Kit, Black, w/Edison. Condition: New. Listed at 650.40 USD. The new and improved Source 4WRD II white light LED retrofit for Source Four incandescent ellipsoidal fixtures will run cooler and use less power than the original incandescent version. The warm white 80 CRI retrofit is perfect for getting the efficiency of an LED with the same optics, accessories, and flexibility as the Source Four fixture.ETC S4WRDT120-A Features:Source 4WRD II HPL to LED retrofit80 CRI warm white LEDUses 70% less power than HPL lamps77% cooler surface temperature than HPL lampsBrighter output compared to HPL lampsEliminates the need for re-lamping and keeping lamps in inventoryETC S4WRDT120-A Specifications:Type: Retrofit Light EngineConnector: Edison plugBody color: BlackLED: 80 CRI warm whiteExterior Surface Temperature: 90°F (32°C)Average wattage per year: 6789kWh