4" Pearl low voltage retrofit series is cULus classified for use in existing IC or Non-IC housings manufactured by Nora and others. The 4" retrofit luminaires deliver up to 950 lumens with 2" pinhole to focus the beam spread through 2-5/8" x 2" opening. Adjustability: 15° Input Voltage: 12VAC Socket: GU5.3 Lumens / Wattage: 600lm / 11W Color Temperature: Comfort Dim (Warm Dim) Beam Spread: Three field changeable optics included Dimming: Triac or ELV Finish: Matte Powder White Slot / Matte Powder White Flange Listing: cULus classified for damp locations