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 small opening. Adjustability: 15° Input Voltage: 12VAC Socket: GU5.3 Lumens / Wattage: 950lm / 11W Color Temperature: 4000K Beam Spread: Three field changeable optics included Dimming: Triac or ELV Finish: White Pinhole / White Flange Listing: cULus classified for damp locations