4" Pearl LED Retrofit series is cULus classified for use in existing IC housings manufactured by Nora. The 4" retrofit luminaires deliver 950 lumens with an adjustable slot aperture to focus the beam spread through 2-5/8" x 2" opening. Adjustability: 30° Input Voltage: 120VAC Socket: Medium Base Lumens / Wattage: 950lm / 10W Color Temperature: 2700K Beam Spread: Three field changeable optics included Dimming: Triac or ELV Finish: Black Slot Aperture / Black Flange Listing: cULus classified for damp locations